Feature:1. The Bluetooth-compatible receiver shell adopts waterproof design, PCB nano-coating is waterproof. 2. Waterproof receiver shell design with waterproof coating, Bluetooth-compatible 5.0 chipset, support for connecting two mobile phones, playback control, voice prompts, support for charging, 280 hours standby time, detachable receiver bracket for easy installation. Name: Bluetooth-Compatible Headset Bluetooth-compatible version: 5.0; Frequency range: 2.402GHz-2.480GHz; Transmission distance: 10-15 meters (depending on the device); Microphone transmission distance: &le;1 meter; Lithium battery: 3.7V/800Ah; Continuous working time: &le;30 hours; Charging voltage: 5V; Charging time: &le;5 hours; Standby time: &le;280 hours; Bluetooth-compatible name: BT35; Packing list: 1 x Bluetooth-compatible headset 1 x back clip 1 x microphone cable 1 x USB charging cable 1 x instruction manual 1 x packing box Note: 1. Due to manual measurement, please allow 1-3cm error. Make sure you don&#39;t mind before bidding. 2. Due to the difference of different monitors, the picture may not reflect the actual color of the product. Thanks. <div class="panel panel-info"><div class="panel-heading" style="font-weight:bold;">IMPORT: THIS ITEM IS SHIPPED FROM CHINA. PLEASE EXPECT UP TO 25 DAYS FOR DELIVERY</div></div>

Motorcycle Helmet Headset Bt35 Bluetooth 5.0 800mah Battery Hands-Free Wireless Headphones Waterproof Black