Product description
Bluetooth specification: v2.1+EDR class 2
RF frequency range: 2.402-2.480GHZ,2.4G ISM brand
Radio performance: Receive sensitivity of -90dBm, TX power max4dBm
Supports Bluetooth headset and hands-free profiles
Operating distance: about 10 meters
Nominal charging time: Max 1.5 hours
Work time: about 9 hours around
Impedance: 32 ohm
Standby time:up to 100 hours
Micro USB charging port
Charger adapter output: DC 5V&130mA
Colors red, pink, black, blue and purple