Description: Handsfree: This motorcycle helmet headphone makes you can easily pick up a phone call without taking out a phone from your pocket. Easy to use: This motorcycle helmet earphone features a button for operation that allows you to adjust volume and pause songs. Fast speed: This motorcycle helmet wireless headphone supports bluetooth-compatible 5.0 that can deliver a quick and stable connection. Long lifespan: This motorcycle helmet wireless earphone features an advanced waterproof craftsmanship, and is not afraid of rain water. Easy to install: This motorcycle helmet bluetooth-compatible headphone comes with stickers that make you can easily mount the headphone onto a helmet. Specification: Bluetooth-compatible version: 5.0. Support protocol: A2DP, ACRCP. Battery capacity: 500mAh(Built-in). Charging input: DC 5V. Frequency: 2.402-2.480GHz. Standby time: 360h. Use time: ≤10h. Range: Approx. 10m/32.81ft. Color: Show as picture. Size: Show as picture. Note: There might be a bit of color distortions due to different computer resolutions. There might be a slight error due to different hand measurements. Package Includes: 1 Piece Earphone Host(with 1 Set Earpiece, 2 Pieces Stickers, 1 Piece Charging Cable, 1 Piece English Japanese User Manual).