Bluetooth Earphones Motorcycle Helmet Headset Auto Answer Surround Sound Motorcycle Headphones with Microphone

Features:
It is built-in rechargeable battery, whose standby time and working time both are long. 
The headset is designed with three buttons, used to control the music playback and call. 
It is suitable for most motorcycle helmets. 
Easy to operate. 
  
Specifications:
Item Name: Helmet Headset; 
Material: ABS; 
Bluetooth Version: V5.0, Dual Channel Stereo Output; 
Rated Power: 30mW*2; 
Speaker Unit: 24Ohm/30mm; 
Maximum Volume: 112dB; 
Battery Capacity: 3.7V/250mAh (Included); 
Music/Talk time: 16 Hours; 
Standby Time: 700 Hours; 
Charging Time: 2 Hours; 
Features: Rechargeable, Bluetooth, Easy to Use; 
Size: 22.2cm x 4.5cm x 1cm/8.66" x 1.77" x 0.39" (Approx.); 
  
Package Includes:
1x Helmet Headset; 
1x English Manual