Griffin GB40139 activity tracker accessory

Name: Activity tracker accessory Griffin GB40139 GB40139
Brand: Griffin
SKU: 437345
Price: 8.99 EUR
Availability: InStock

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Activity tracker accessory Griffin GB40139 black — compatible with Fitbit Flex/One/Zip, Misfit Shine, Sony SmartBand

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Short description

Griffin GB40139 is a black accessory for activity trackers designed to hold or adapt fitness devices. It is compatible with Fitbit Flex, Fitbit One, Fitbit Zip, Misfit Shine and Sony SmartBand. Supplied as a single piece, the accessory provides a practical mounting and protection solution for everyday wear, workouts and sleep tracking.

Available for order: 8 pcs.

Warranty: 2 Years

SKU: 437345

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to the Customer Service Center at Kengaraga 2b, Riga

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Customer service center

2b. Kengaraga str., Riga, Latvia, LV-1063

06.07.2026 {{selectedOffer.officeDeliveryString}}

free

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From 4.99 €

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From 1.99 €

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Payment Methods:

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Product information

Description

Griffin GB40139 is a black accessory designed to hold and protect a range of activity trackers, compatible with Fitbit Flex, Fitbit One, Fitbit Zip, Misfit Shine and Sony SmartBand. Supplied as a single piece, the accessory provides a soft, breathable mounting solution for everyday wear, workouts and sleep tracking. The band features a perforated brushed spandex construction with an inline pocket and a Velcro closure, and an included extension lets you convert the wristband to an armband for a more flexible fit.

Advantages

The soft, breathable material provides comfort for continuous 24/7 wear, including sleep monitoring. The inline pocket secures supported trackers while keeping them accessible, and the Velcro closure enables quick size adjustments. The included extension adds conversion versatility so the same accessory can be used either on the wrist or as an armband. The black colour offers a neutral, unobtrusive look that pairs with everyday clothing and workout gear.

Suitable for

Wearing a compatible tracker during sleep for overnight monitoring
Everyday step and activity tracking when a comfortable band is preferred
Workouts where a wrist or arm placement is needed for convenience
Situations requiring temporary conversion from wrist to armband fit

Key specifications

Compatible tracker models: Fitbit Flex, Fitbit One, Fitbit Zip, Misfit Shine, Sony SmartBand
Colour: Black
Band material: perforated brushed spandex / nylon blend
Closure type: Velcro adjustable closure
Wrist fit: fits wrists up to approximately 21 cm (8.27 in) circumference
Armband fit with extension: fits arms up to approximately 40.6 cm (16 in) circumference
Tracker pocket internal dimensions: fits trackers up to 28 mm wide × 48 mm tall × 10 mm thick

How to use

Place your compatible tracker into the inline pocket with the device oriented so sensors and display (if applicable) align as intended. Fasten the band around your wrist using the Velcro closure and adjust to a comfortable, secure fit. To use as an armband, attach the included extension and refasten the Velcro so the band sits comfortably on the upper arm. Ensure the tracker sits flat against the band to reduce movement during activity and to maintain accurate readings.

Usage recommendations

For reliable sensor contact and comfort, wear the band snugly but not tightly; check the tracker position before exercise and after changes in clothing. Remove and dry the band if it becomes wet, and inspect Velcro and seams periodically for wear to maintain secure attachment.

Specifications

Product colour:: Black

All features

Features

Compatibility:: Fitbit Flex, Fitbit One, Fitbit Zip, Misfit Shine, Sony SmartBand
Product colour:: Black

Compatible device type:: Activity tracker

Logistics data

Quantity per pack:: 1 pc(s)

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Customer questions

FAQ

How much does the Griffin GB40139 activity tracker accessory cost, and is it available for purchase?

The price is 8.99 € (valid at the time of publication and already includes all taxes). The item is available for order — 8 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 06.07.2026 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. All transactions are 100% secure and encrypted.

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 Griffin 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 Griffin 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.

How can I tell if this product suits my needs?

When making a choice, we recommend paying attention to the key features: product colour, compatibility with your devices or usage conditions, material quality, functionality, and warranty terms. These characteristics will help you determine how well the model meets your needs.

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