L'avvento Bluetooth Headphone with Stereo Plug 

Flexible band, with Soft-Rubber Material

Bluetooth Solution: V5.0

Operation Range: 10m

Speaker Diameter: 2x40mm

Radio Frequency: 2,180-2.402GHz

Rated Voltage: DC 5V/ 1A

Sensitivity at 1KHz: 3= 110Db

Impedance: 320 OHMS S.P.L (at 1KHz)

Battery Polymer Li-lon: 300mAh

Charging Time: 2 hours USB Charging

Play time: Approx. 10 hours

Max Consumption