esportic B11 is an imported wireless magnetic bluetooth nackband earphones which provide a high-quality digital audio for music lovers. Specification:-charging voltage: Mircro USB 5V/0.5-1AH, working current: 10-20mA, working time: 8-10hr, Bluetooth working range:10-15 Mtr.,Output power-2x18mW, Frequency range:2.401-2.480GHz,Speaker:16 20mWx2, SNR-1-2H,Charging time:1-2 hr, Battery: polymer rechargable battery, Standby time- 200H, MIC-4015 45DB+3DB. B11 bluetooth verson is 4.2V, operating 30 feet range. strong magnetic look, real-time battery indicator, It is sweatproof, splashproof bluetooth,this B11 bluetooth suts on your personality. Connect two phones at one time.It Can Free Up Your Both Hands.Now a days this bluetooth is going on so enjoy your everyday with B11 bluetooth.
