Compatible with all audio equipments with bluetooth functions,such as PC,Ipad,Ipod,cellphone,tablets,MP3…
CSR solution,HSP,HFP,A2DP,AVRCP
Bluetooth protocol standards:CSR 4.0 supported.                                                                          Button functions:V- /next music/V+/previous music /pause/play
Receiver distance：10m / 360°       
Battery：chargeable 3.7V/250Mah lithium-ion battery
Charging time：less than 3 hours
Successive working time：up to 8 hours；
Standby time: 180 hours;    

Speaker diameter: φ40mm                       
Impedance: 32Ω                             
S.P.L: 106dB S.P.L.at 1KHz                    
Rated power:20mW                                 
Aggregate capability:40mW                         
Frequency Response:20Hz-20,000Hz