K18 Bluetooth Wireless Earphone In-ear Stereo Music Headset Earpiece Hands-free with Micrphone

K18 Bluetooth Wireless Earphone In-ear Stereo Music Headset Earpiece Hands-free with Micrphone

With the features of Bluetooth 4.1 technology, built-in high-grade microphone & speaker, hands-free calling function and lightweight design, the headphone is convenient for you to listen music and answer calls. A great companion for your daily life, office time, driving or travel.  

Features:
Bluetooth Connection: Bluetooth 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 55mAh Lithium battery lasts up to 4 hours of working time on one full charge.   
Multi-point Connection: Can simultaneously connect two smart phones, switching between your business and personal phones.
Easy Operation: Easily control playing / pausing, answering / rejecting / ending a call and redialing the last number.

Specifications:
Model Number: K18
Bluetooth Version: Bluetooth 4.1
Operation Range: Up to 10 meters (no obstacle)
Frequency Response Range: 20Hz-20KHz
Impedance: 16Ω
Sensitivity: -90dB
Headset Battery: 55mAh rechargeable Li-polymer battery (501025)
Working Time: 3-4 hours (depends on music volume)
Standby Time: about 120 hours
Charging Time: 1-2 hours
Color: Black, White (Optional)
Main Item Size: 5.0 * 2.5 * 1.9cm / 1.96 * 0.98 * 0.74in
Main Item Weight: 4g / 0.16oz
Package Size: 11.6 * 7.2 * 4.3cm / 4.56 * 2.83 * 1.69in
Package Weight: 86g / 3.06oz

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