Bluetooth headset
BT-561A

· Bluetooth protocol standards: Bluetooth Ver 4.1,CSRsolution,HSP,HFP,A2DP,AVRCP
· Receiver distance: 10m/360°
· Battery: Chargeable 3.7V/170mAh lithium-ion battery
· Charging time: Less than 3 hours
· Successive working time: no less than 6 hours
· Standby time: 180 hours

· Speaker diameter: 10mm
· Impedance: 16Ω
· S.P.L: 106dB S.P.L.at 1KHz
· Rated power:20mW
· Aggregate capability:40mW
· Frequency Response: 20Hz-20,000Hz