Features:
* Wireless BT 4.1 ensures transmitting strong signal in high quality and high speed, delivering high-fidelity stereo music.
* With magnetic suction function, and when do not use headphone, you can wear the headphone on the neck to avoid its falling.
* Built-in microphone enables hands-free calls to set free your hands when doing sports. It also supports multi-point connection technology.
* With line control buttons, easy to control playing / pausing, adjusting the volume, previous / next songs, answering / rejecting / ending calls.
* Ergonomic design guarantees wearing stable and comfortable when exercising, running, climbing and other outdoor sports.

Specifications:
Model Number: XT-11
BT Version: 4.1
Support: A2DP, AVCTP, AVDTP, AVRCP, HFP
Working Distance Range: 10m
Frequency Responce: 20-20KHz
Impedance: 16Ω
Sensitivity: 94db+-3db
Battery: 3.7V / 60mAh (350926)
Charge Time: about 2 hours
Standby Time: about 100 hours
Talking Time: 2.5-3 hours
Music Time: 2.5-3 hours (The music volume will affect the time)
Charge Port: Micro USB
Color: Black, Gold, Blue, Silver (Optional)
Cable Length: Approx. 70cm / 2.29ft