Wireless Business Earphone - In-ear Music Headset - M163 Bt 4.1

Features:
BT Connection: BT 4.1 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: One button easily controls playing/pausing, answering/ending a call.

Specifications:
BT Version: BT 4.1
Operation Range: Up to 10 meters (no obstacle)
Frequency Response Range: 20Hz-20KHz
Impedance: 32Ω
Sensitivity: 95±3dB
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: 18g / 0.65oz