Pro4 Bluetooth headset Color:Black EMS (Electrical Muscle Stimulation) technology

EMS (Electrical Muscle Stimulation) technology directly transmits signals to muscles through current stimulation to promote muscle movement

Weight: 11-piece set

Size: 31x30x47cm

Enjoy light therapy any time and anywhere

Box * 1pcs

Pro4 Bluetooth headset Color:Black EMS (Electrical Muscle Stimulation) technologyBluetooth version: jl6936d5. 0, high definition binaural call Transmission distance: barrier free distance 10 20 meters Product speaker: high quality composite membrane copper ring speaker Product chip: true stereo chip Working time: (3 4 hours) Charging warehouse standby time: 30 days Headphone battery capacity: pure cobalt 30 mA Rechargeable battery capacity: pure cobalt 260 mA (with IC protection board) Packing size: 12*10*3. 5cm Packing standard: