◆Bluetooth Version: V4.2+EDR           
◆Impedance: 16 Ω                     
◆Frequence response: 20Hz-20 KHz                           
◆Rated power: 10 MW
◆Transmission Distance: 10m/ 30feets                       
◆Bettery capacity: 50 mAh rechargeable lithium battery (charging capacity 250mAh)
◆Speaker:Ø8mm                         
◆Sensitivity: 110 ±3dB S.P.L at 1KHZ                                
◆Talking Time: 10 hours
◆Music playing time: 2 hours          
◆Charging time: 1 hours               
◆Standby time:120 hours