What's in the box:

M165 Wireless Business Earphone Bluetooth 4.1 Headphones In-ear Music Headset Earpiece Hands-free Earbuds with Microphone (Black)

Overview:
With the features of BT technology, built-in high-grade microphone & speaker, hands-free calling function and lightweight design, the headphone is convenient for you to listen to music and answer calls. A great companion for your daily life, office time, driving or travel.

Features:
BT Connection: BT4.1 ensures strong signal and wireless connection range is 10 meters (no obstacle).
Hands-free with Mic: High-quality Microphone grasps the detail of voice, ideal for in-car calling or working use.
Long Battery Life: Built-in rechargeable 60mAh battery lasts about 2 hours of working time on one full charge.
Comfortable to Wear: 6g lightweight, in-ear design and ultra-soft earcap provide you long-time wearing comfort.
Easy Operation: Easy to control playing/pausing music, previous/next track, answering/ending a call.

Specifications:
BT Version: BT 4.1
Operation Range: Up to 10 meters (no obstacle)
Frequency Response Range: 20Hz-20KHz
Impedance: 32
Sensitivity: 963dB
Headset Battery: 60mAh rechargeable Li-polymer battery
Working Time: about 2 hours (depends on music volume)
Standby Time: about 12 hours
Charging Time: 1-2 hours
Color: Black, White (optional)
Main Item Size: Approx. 5.0*1.4*0.9cm/1.96*0.60*0.35in
Main Item Weight: 6g/0.24oz
Package Size: Approx. 7.5*6.5*1.8cm/2.95*2.56*0.70in
Package Weight: 19g/0.67oz

Package List:
1 * Headset
1 * Earhook
1 * USB Cable
1 * User Manual