XT-11 Hands-free Lightweight Wireless BT 4.1 Sport Headphone with Microphone

XT-11 Hands-free Lightweight Wireless BT 4.1 Sport Headphone with Microphone - Black Wireless Stereo BT Headphone is characterized by Advanced BT 4.1 technology, built-in high-grade Microphone & Speaker, hands-free function and lightweight design. Designed for sports enthusiastsWireless BT 4.1 ensures transmitting strong signal in high quality and high speed, delivering high-fidelity stereo musicWith magnetic suction function, and when do not use headphone, you can wear the headphone on the neck to avoid its fallingBuilt-in microphone enables hands-free calls to set free your hands when doing sports. It also supports multi-point connection technologyWith line control buttons, easy to control playing / pausing, adjusting the volume, previous / next songs, answering / rejecting / ending callsErgonomic design guarantees wearing stable and comfortable when exercising, running, climbing and other outdoor sportsSpecifications:Model Number: XT-11BT Version: 4.1                                                              Support: A2DP, AVCTP, AVDTP, AVRCP, HFPWorking Distance Range: 10m                                                    Frequency Responce: 20-20KHz                                     Impedance: 16?Sensitivity: 94db+-3dbBattery: 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 USBCable Length: Approx. 70cm / 2.29ftHeadphone Weight: 12g / 0.42ozCompatible with:Apple/Xiaomi/Huawei etc and other phones and devices which support Bluetooth