Our company specializes in bluetooth earphone.Good quality and competitive price. Technical standards: Bluetooth version V2.0Transmission Products: 10 metersColor Range: Black, silver, pink, red, blue Bao, sky-bluesize58x27x22mmWeight: 17gTalking time:6 hoursStandby time:150 hoursAllocation of goods: Bluetooth headset, charger, manual. bluetooth earphone