Product description
Bluetooth specification: V3.0 + EDR class 2
RF frequency range: 2.402-2.480GHz, 2.4G ISM brand
Radio performance: receive sensitivity of -90dBm, TX power maximum 4dBm
Supports Bluetooth headset and handsfree profiles
Operating distance: about 10 meters
Nominal charging time: 1.5 hours (maximum)
Working time: about 10 hours around
Impedance: 32 Ohms
Standby time: up to 250 hours
Micro USB charging port
Charger adapter output: 5V DC and 130mA
Colors: black + red, white + blue, black + blue and more