Helmet Headset Bone Conduction Bluetooth-compatible Wireless Stereo Hands Free Ip68 Waterproof Rainproof Motorcycle Helmet Headphone black

--Function: Understand the surrounding environment to ensure road safety

--Designed for full-face helmets, up to 70 km/h

--Enclosed sound cavity: To protect privacy, Directional transmission, not outside ,effectively reduce sound leakage

--Bone conduction technology: bringing excellent sound field performance

--Size: 61.3 x 64.8 x 39.5mm

Description:
Name: Helmet  Headset
* Bluetooth-compatible: QCC3003 5.0 EDR
* Connection range: 10-15m
* Frequency range: 20Hz-20KHz
* Speaker type: bone conduction transducer
* Battery: 400 mAh
* Charging voltage: DC 5V/1A
* Charging time: 2 hours
* Standby time: 280 hours
* Playing time: ≥8 hours
* Weight: 59.3g
* Material: ABS+PC
* Size: 61.3 x 64.8 x 39.5mm
* Cordless phone
* Access to Siri voice assistant
* IPX6 waterproof
* CE/ROHS certification
Packing list:
Helmet  Headset x 1
Note:
Light shooting and different displays may cause the color of the item in the picture a little different from the real thing. 
Manual measuring,please allow 1~3mm error,thank you.