Wireless Bluetooth Headset Intelligent English Voice Control 4.1 Stereo Earphone With Mic HandsFree for Android/IOS Smartphone Characteristics:1. Supports Bluetooth 4.1 low-power low-latency2.Connect with twophones at the same time3. Support voice prompts Britain always switch4. Optional voice answering (YSE / NO) or voice reporting function5. Support power broadcast, live mute6. Built-in high quality microphone supports various phone calls7.Micro 5P USB rechargeable, and can connect earphones to listen to the true binaural stereo two-channel audio8. using the latest Bluetooth 4.1 + APTX Bluetooth highest standards of fidelity audio transmission technology9. Use safety Shu shackles off-line noise reduction function effectively eliminate unstable CVC6.0 noise, noise and echo cancellation to further enhance the efficiency, clearer calls10. Innovative design ergonomic ear structure, wear more consistent with no pressure, compact, lightweight, soft and delicate cable, moderate length is not wrapped, sports, leisure songs best choice Specifications:Bluetooth version: V4.1Operating distance: Up to 10mCharge time: Within 2 hoursMusic time:about 10 hoursTalk time: about 10 hoursStandby time: Up to 150 hoursSupport mode:Headset,Handfree,A2DP,AVRCPMain functions: Listen to music,Answer the phone,End calls,Reject callsLast number re-dial,Three-position call,Automatic back even,Connect with twophones at the same time Package contain:1*Bluetooth headset *1pcs1* Ear-bud1*Charger Cable1* Use Instruction