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header-product Philips SmartSleep HF3531/01 Wake-up light sunrise alarm clock with LED bulb technology 300 lx light intensity and 7 alarm sounds
177.99 €

Philips SmartSleep HF3531/01 Wake-up light sunrise alarm clock with LED bulb technology 300 lx light intensity and 7 alarm sounds

Philips SmartSleep HF3531/01 Wake-up Light Alarm Clock Photo 1
Philips SmartSleep HF3531/01 Wake-up Light Alarm Clock Photo 2
Philips SmartSleep HF3531/01 Wake-up Light Alarm Clock Photo 1
Philips SmartSleep HF3531/01 Wake-up Light Alarm Clock Photo 2
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Short description

Philips SmartSleep HF3531/01 wake-up light and sunrise alarm clock designed for natural morning waking. Features LED bulb technology with 300 lx light intensity, 7 natural alarm sounds, and a 9-minute snooze function for both light and sound. Operates at 16.5 W with 100-240 V input voltage and a 1.5 m cord. Ideal for improving sleep quality and morning routines through gradual light simulation.
Available for order: 3 pcs.
Warranty: 2 Years
SKU: 1938646
free shipment

Cheapest delivery:

Unisend LV

Pick-up points

Unisend LV

Cost

1.79 €

Deliver

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Customer service center
2b. Kengaraga str., Riga, Latvia, LV-1063
21.09.2026 {{selectedOffer.officeDeliveryString}}
free
Courier Delivery Please note that in case of a large parcel additional delivery costs may apply!
24.09.2026 {{selectedOffer.courierDeliveryString}}
From 4.99 € (Weight: 1.80 kg)
Parcel couriers
Unisend LV / Venipak Pickup LV / Venipak Locker LV / Latvijas Pasts pakomāts / DPD Paku skapis / Omniva LV / Latvijas Pasts nodaļa
24.09.2026 {{selectedOffer.parcelStationDeliveryString}}
From 1.79 €
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3 mth. х 59.33 €

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All payment Methods:
Bank transfer, Bank cards on-line, Apple Pay, Google Pay, Installment
36 months installment: from 4.94 euros per month
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Product information

Description

The Philips SmartSleep HF3531/01 Wake-up light is a sunrise alarm clock designed to support a natural and gentle morning waking routine by combining light and sound. Inspired by nature, this device uses a coloured sunrise simulation that gradually transitions from soft dawn red through warm orange to bright yellow light, preparing your body to wake up while you are still sleeping. Equipped with advanced LED bulb technology, it delivers a light intensity of up to 300 lx to ensure an effective and comfortable lighting experience.

Advantages

This wake-up light offers a scientifically proven way to improve your morning routine and overall sleep quality. By waking up with gradual light and natural sounds, users experience a more energetic start to the day without the abrupt shock of a traditional buzzer. The integrated LED technology ensures energy efficiency while providing optimal illumination, and the intuitive dimming display automatically adjusts to the brightness of your bedroom.

Suitable for

  • Waking up naturally in the dark winter months
  • Individuals looking to replace traditional disruptive alarm clocks
  • Improving morning alertness and sleep routine quality
  • Bedrooms needing a functional bedside reading light and clock

When it may not be suitable

This device may not be ideal for individuals who require an extremely loud or startling alarm to wake up, as the sounds increase gradually. It is also less suitable for users who sleep in a room with high ambient light levels where gradual sunrise simulation cannot be effectively noticed.

Key specifications

  • Light intensity: 300 lx
  • Bulb technology: LED
  • Number of alarm sounds: 7
  • Snooze duration: 9 minutes
  • Power consumption: 16.5 W
  • Input voltage: 100-240 V
  • Cord length: 1.5 m
  • Dimensions: 199 mm width, 146 mm depth, 192 mm height

How to use

Place the wake-up light on your bedside table within arm's reach, ensuring the light can easily reach your eyes during sleep. Set your desired wake-up time and choose your preferred light intensity and natural alarm sound or FM radio station. In the evening, you can activate the dusk simulation and sunset fading light or the midnight light function to help you relax before sleeping. When the alarm goes off, simply tap the top of the product to activate the nine-minute snooze function if needed.

What to consider before purchase

  • Ensure you have sufficient space on your bedside table for the device dimensions
  • Check that the 1.5-meter cord length reaches your nearest power outlet
  • Consider whether gradual light and sound alignment suits your personal waking habits
Usage recommendations: Position the device approximately 40 to 50 centimeters from your head for optimal light exposure during the wake-up phase. Regularly dust the surface with a dry cloth to maintain proper light emission from the LED bulbs.
All features
AC adapter power:
12 W
Lamp type: The characteristics of the lamp.
LEDs
Insulation:
Class II
Power: Energy that is produced by mechanical, electrical, or other means and used to operate a device.
16.5 W
Anti-slip rubber feet:
Yes
Snooze button for sound and light:
9 min
Sunrise simulating process (0-selected intensity):
40 min
Cord length: The distance from one end of the cord (cable) to the other.
1.5 m
UV free:
Yes
Automatic brightness control:
Yes
Smartphone/tablet remote support: The product can be used to remotely manage a smartphone.
No
Charging function:
Yes
Number of brightness levels:
20
Light intensity: The strength of the light. There are several ways to measure light intensity, obtained by dividing either a power or a luminous flux by a solid angle, a planar area, or a combination of the two.
300 lx
Bulb technology: What technology is used by the bulb to emit light e.g. LED.
LED
Increase alertness:
Yes
Sunrise simulating process:
40 min
Sunset simulation: Type of lamp, commonly used in winter, which produces different coloured lights to simulate a sunset.
Yes
Number of wake-up sounds:
7
Not for general illumination:
Yes
Power plug weight:
99 g
Tap snooze for sound:
9 minutes

Other features

Type: Characteristics of the device.
Wake-up light
Input voltage: The voltage (V) which is required to power the product.
100-240
FM radio: Frequency-modulated (FM) radio gives the clearest reception of any radio band. When used with a headset, it delivers stereo-like sound.
Yes
Sunrise simulation: Type of lamp, commonly used in winter, which produces different coloured lights in the morning to simulate a sunrise and help you to wake up.
Yes

Technical details

Display brightness control:
Yes

Weight & dimensions

Weight: Weight of the product without packaging (net weight). If possible, the net weight is given including standard accessories and supplies. Please note that sometimes the manufacturer leaves out the weight of accessories and/or supplies.
1.15 kg
Height: The measurement of the product from head to foot or from base to top.
192 mm
Depth: The distance from the front to the back of something.
146 mm
Width: The measurement or extent of something from side to side.
199 mm

Clock

Snooze function: The device can be switched on to 'snooze'.
Yes

Power

Power consumption (typical): Amount of power consumed by this model, often expressed in watts (W). Typical values that manufacturers give are power consumption when off, standby/suspended mode, typical use, maximum usage.
16.5 W
AC input frequency:
50/60
AC input voltage: The voltage of the AC electricity that is inputted into the product.
100-240

Features

Country of origin: Country where the device is made. Aka Country of manufacture (COM).
China
Number of alarm times:
2

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Customer reviews

Customer questions

FAQ

How much does the Philips SmartSleep HF3531/01 Wake-up Light Alarm Clock cost, and is it available for purchase?

The price is 177.99 € (valid at the time of publication and already includes all taxes). The item is available for order — 3 pcs. are in stock, and you can place your purchase right now with delivery across Latvia and Europe or choose pickup at the Riga collection point. We offer favorable purchase terms, including the option to split the payment into convenient monthly installments. Availability and price are updated in real time, so we recommend placing your order in advance.

If I order this product today, when will I receive my order?

If you place your order today, delivery will be as fast and convenient as possible. You will be able to pick up your order on 21.09.2026 at the Riga pickup point or choose delivery across Latvia and Europe. We carefully inspect every purchase and pack it securely for safe transportation.

What payment options are available?

AiO.lv offers several payment methods: Bank transfer, Bank cards on-line, Apple Pay, Google Pay, Installment. All transactions are 100% secure and encrypted.

Can Philips SmartSleep HF3531/01 Wake-up Light Alarm Clock be purchased with a lease?

Yes, the purchase is available both on credit and with an interest-free installment plan. We work with leading banks and leasing companies in Latvia, allowing you to make your purchase on convenient terms — with a minimal down payment and a repayment period from 3 to 36 months. You can apply for credit or installments for the Philips SmartSleep HF3531/01 Wake-up Light Alarm Clock online, and the application process is as simple as possible:
  • Select the product on the website and add it to your cart;
  • When placing your order, choose the payment method “Installments”;
  • Fill in the required details for the lending partner;
  • Receive a decision within a few minutes.
For more information about available payment options, interest-free installment terms, and credit conditions in Latvia, please visit the Payment page.

Can this product be purchased for a company (with VAT)?

Yes. AiO.lv works with legal entities in Latvia and across Europe. The product price already includes VAT. For certain product categories, as well as for companies from other EU countries with a valid VAT number, a 0% VAT rate may apply. We issue the invoice immediately after the order is placed, support electronic BIS invoices, and automatically generate all necessary accounting documents. You can complete the purchase for a company online — simply select the company profile and choose bank transfer as the payment method during checkout.

What is the warranty period?

All Philips products come with an official 2 Years warranty. It covers all manufacturing defects and malfunctions that may occur during use. The warranty is valid at all authorized Philips service centers and through AiO.lv

Can the product be returned after purchase?

Yes, you can return the product within 14 days of purchase if you bought it as a consumer (not a legal entity). Returns are possible without giving any reason — the main condition is that the product retains its original appearance and full set of accessories. We will make the process as simple and convenient as possible: just contact our customer support team, and we will help you arrange the return.

Where should I contact for warranty service?

For warranty-related questions you can contact the AiO.lv (SIA VSPRO) customer support team. We will assist with consultation, warranty claim processing, and coordination with certified service centers.

Where can I download the instructions for Philips SmartSleep HF3531/01 Wake-up Light Alarm Clock?

You can download the instructions in PDF format from the “Instructions” section on the product description page. The file contains complete information about installation, setup, and usage.
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