Main Chip: CSR Blue Core 02
Bluetooth v1.2 compliant class 2
Modulation: GFSK
Hoping Rates: 1600hops / sec
Operation Frequency: ISM Band 2.400G~2.4835GHz
AudioRange: 300~3400Hz

Voice Coding: 13bit PCM
Dimension: 58mm X 22mm X 23mm
Weight: <12g (including battery)
Battery: 115Mah 3.7V rechargeable(Lithium Polymer)
Efficient Distance: 10M

Receiver Sensitivity: -80dbm0.1%BER
Transmitter Power (Max): -6dbm~+4dbm
Operation Voltage: 3.0V~4.2V
Antenna gain: 4dBi

Operating Current: 30mA(4 - 5 Hrs)
Standby Current: 2mA(Depend on Mobile type)
Sleep mode Current: 20uA (More than 2 weeks)
Operating Humidity: 5 to 85%
Volume Level: 16
Charger Power Supply: 5V 250mA