What's in the box:

S650 Invisible 4g Earphone Bluetooth 4.1 Headphones In-ear Headset Stereo Music Earphone Smart Phone Earbuds Hands-free with Microphone Black (Black)

The BT Stereo Headset comes with Ultra-small size & ultra-light weight, BT 4.1 chip and hands-free call with built-in high-performance Speaker & Microphone, offering wonderful music and clear communication. Its lightweight and compact portable size is perfectly suitable for office and traveling use.

Features:
* BT 4.1 technology ensures strong signal and fast transmission, and offers high-fidelity stereo music, suitable for iOS / Android / Windows smartphones and other BT-enabled devices.
* The BT headset with 4g lightweight, super mini size provide you long time wearing comfort, and guarantee 100% stable. Easy to use and custody.
* High-sensitivity microphone grasps the detail of voice, ideal for in-car calling or working use.
* Multi-point Technology enables you to switch between your business and personal phones.
* Simple operation, easily control playing / pausing, answering / ending / rejecting an incoming-call and redialing the last number.

Specifications:
Model Number: S650
BT Version: BT 4.1
Operation range: Up to 10 meters
Frequency Response: 20-20KHz
Impedance: 32O
Speaker Sensitivity: 1053dB
Battery: 3.7V/ 50mAh (401020)
Color: Black, Beige, White (Optional)
Main item size: 2.6 * 1.7 * 1.5cm / 1.02 * 0.66 * 0.59oz
Main item weight: 4g / 0.14oz
Package size: 8.5 * 6.0 * 1.5cm / 3.34 * 2.36 * 0.59in
Package weight: 12g / 0.42oz

Package List:
1 * Headset
1 * USB Cable
1 * User Manual (English & Chinese)