SBTH-5018 ◆ Main Chip: CSR Blue Core 02 ◆ Bluetooth v1.1 compliant class 2 ◆ Modulation: GFSK ◆ Hoping Rates: 1600hops / sec ◆ Operation Frequency: ISM Band 2.400G~2.4835GHz ◆ Audio Range: 300~3400Hz ◆ Voice Coding: 13bit PCM ◆ Dimension: 72mm X 24mm X 10mm ◆ Weight: 10g ◆ 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: 200uA (More than 2 weeks) ◆ Operating Humidity: 5 to 85% ◆ Operating Temperature: -20°C~55°C ◆ Storage Temperature: -20°C~85°C ◆ Volume Level: 16 ◆ Certification: BQB / FCC / CE