Hidden Sweatproof Mono Earphone
Functions:1. Support remote control of play/pause, next song/last song,volume up/volume down,pick up/hang up/ reject the phone calls,last number redial.2. Pause the music & play back automatically when receives an incoming call.3. Connect two cellphones at the same time.4. Display headphone's battery on Apple devices.5. Automatically turn off without connection for 30 min.Details1. Bluetooth protocol: HSP, HFP, A2DP2. Bluetooth version: 4.03. Talking time: 4h;4. Playing time: 3h;5. Standby time : 100h;6. Charging time: 2h;7. Transmission distance: 10m;8. Weight: 6g;9. Impedance: 16ohm;10. Frequency response: 20-20kHz;11. Charging input: 5V/300-500mAThe Newest bluetooth headset with lightweight and compact portable design.We are committed to creating the most Mini bluetooth headsets. Simple and StylishBuilt-in HD and sensitivity microphone. Ideal for in-car calling or working use. Support A2DP , makes you can enjoy clear and natural sound when calling.Built-in 50 Mah polymer battery. Up to 4 hours of continuous talk time, 3.5 hours of music time.Can be connected with two smartphone at the same time.The wireless range up to 10 meters on open air. The headser will be connect automatically with a phone paired previously.Due to the difference of people's ear, this earphone maybe not fits everyone. If the one you get is not perfect for you, please let us know. We will find a best way to help you.