Bluetooth 5.3 Motorcycle Helmet Headset Wireless Motorbike Hands-free Waterproof

1000mAh battery: 15hrs intercom, 32hrs music, 300hrs standby. Dual mics + DSP cancel 90% wind/noise—60% clearer calls at 80km/h. 500m intercom (10-person team compatible). Battery Life: 15hrs intercom / 32hrs music playback / 300hrs standby.

eBay