Description:
• Built-in microphone
• High-fidelity stereo sound , powerful bass and crisp high pitch
• Light weight with soft earcups and sporty design 
• Up to 10 Hours of playback time –recharge lithium battery via USB 
• Integrated control buttons for phones calls and music playback 

Specifications:
Frequency Response: 18Hz-22kHz,THD 0.1% 
Bluetooth Version: V4.0 
Rechargeable Battery: 400mAh Lithium Polymer battery 
Standby Time: Up to 400Hours 
Weight: 71g 

Notice:
Wireless connections may affected by obstructions such as walls , human body and other wireless devices
Keep BT dry , moisture may damage electronic components. 
Exposure to high temperature will shorten the life and damage electronic components. 
Rough handling may damage inside electronic components. 

What ‘s in the box ?
1 x HB-318B Bluetooth Wireless Neckband Headset
1 x USB Cable 
1 x User's Manual