Product information:

Helmets Bt headsets are specially designed for motorcycle helmets. It allows you to listen to stereo music via a Bt wireless connection and use the microphone to answer calls. The perfect companion for motorcycle riders to ensure safe riding.
Bt: V5.0+Edr, Csr
Frequency: 2.402Ghz-2.480Ghz
Microphone transmission distance: 1 meter
Lithium ion battery: 3.7V 180Mah
Playing time: about 8 hours (depending on the volume)
Standby time: 160 hours
Charging voltage: 5V
Charging time: 1.5 hours
Colour: Black

Features:

Bt 5.0 brings high data transmission speed, stable connection and low power consumption.
Use advanced Bt 5.0+Edr technology to listen to stereo music wirelessly.
The hands-free function with microphone and buttons can truly liberate your hands.
Built-in rechargeable lithium-ion battery can provide longer standby and working time.
Diy design, fixed on the helmet with Velcro, detachable and easy to use.
The sound reminder function can easily set up the device according to the sound reminder.

Packing list:

1*Helmet headset
1 * USB charging cable
1 * User manual (English and Chinese)