Model : A8 Version : 5.0 + EDR USB Charging : DC5V IN Charging Time : 2 hours Working Time : 6 – 8 Hours Standby Time : 40 Hours Battery Capacity : 400 mAh Frequency Response : 50 Hz – 20kHz Frequency Range : 20KHz – 20000 KHz Transmission Frequency : 2402 MHz – 2480 MHz Impedance : 32Ω Driving Unit : 40mm SNR : 99dB Sensitivity : 110dB / MW Output Power : 35mW
