Bluetooth Version:V4.1+EDR

Solution:JR,CSR

Connectors:Standard 3.5mm

Function:Bluetooth, Microphone, Noise Cancelling, Waterproof

Certificate:CE ROHS

transmissiondistance: 10 M

Charging time: 2 hours

Play/Musictime:4 hours

Standby time: 300 hours

Battery:  200Amh rechargeable lithium battery

Speaker: Ø40mm

Sensitivity: 110 + 3dB, S.P.L, at, 1KHZ

Impedance: 32Ω

Frequency response: 20Hz-20 KHz

Rated power: 15mW * 2

Music playing time: 5h

Funtion:  bluetooth  FM  and TF card , wried headphone