Wired Earbuds set usams EP-42 — pack of 30, in-ear headphones

usams EP-42 wired in-ear headphones are supplied as a bulk pack of 30 identical units. Each earbud features a standard 3.5 mm plug for wired audio connection to a wide range of smartphones, tablets, laptops and other devices with a headphone jack. The earbuds are intended for general listening, voice calls and multimedia playback where simple, reliable audio accessories are needed in multiple quantities for retail, events or workplace distribution.

Advantages

The EP-42 set provides a convenient solution when multiple basic wired earbuds are required at once: consistent audio performance across units, plug-and-play compatibility with devices that support a 3.5 mm connection, and compact in-ear design that is easy to distribute and store. Supplied in a pack of 30, the set reduces procurement time and packaging complexity for bulk needs and helps maintain a uniform accessory offering for customers, employees or event attendees.

Suitable for

• Retail bundles and resale in multi-packs
• Corporate giveaways and employee use in offices
• Event distribution for conferences, training sessions or trade shows
• Classroom or institutional use where multiple identical earphones are needed
• Temporary replacements or backups for shared audio equipment

Key specifications

• Connection type: wired 3.5 mm audio jack
• Form factor: in-ear / earbud style
• Pack quantity: 30 identical units
• Intended use: listening, voice calls and multimedia playback
• Compatibility: devices with a 3.5 mm headphone socket (smartphones, tablets, laptops, audio players)

How to use

Insert the 3.5 mm plug into the headset or headphone jack of a compatible device. Place the earbuds comfortably in the ear canal and adjust for a secure fit. Control playback and calls using the connected device; these wired earbuds do not include inline remote controls unless specified on the retail packaging. After use, coil the cable loosely to avoid sharp bends and store the earbuds in a dry place to prolong service life.

Usage recommendations

For consistent performance across the set, check device compatibility before distribution and avoid connecting to equipment with damaged or recessed headphone jacks. To maintain hygiene when providing earbuds to multiple users, consider supplying disposable ear covers or instruct users to clean earpieces between uses. Store the bulk pack in a cool, dry environment and avoid prolonged exposure to moisture or heat.