● Handsfree phone answering function
● Transmission Distance : Up to 32 Feet Built-in Rechargeable Battery
● Charging input: DC 5V, 500mA through Mini USB Port Power On and charging Light Indicator Power ON/OFF switch
● USB Charging Cable Included
● Bluetooth version: V4.1
● Output power: 3W
● Speaker unit: 4Ω/3W
● Frequency response: 60Hz-20KHz
● Input sensitivity：500mV
● Separation：≥90dB
● SNR ≥80dB
● Battery: 400MAh