HIFI ANC Bones-Conduction Wireless Headphone Upgrade Bluetooth 5.3 Bone-Drive Headset Stereo Earphone Sport Maximum Comfort 【Features】 Compared with the old Bluetooth 5.3, the stable full core upgrade greatly improves the signal stability and anti-interference ability, and reduces the standby power consumption Open ear design: Bones-conduction technology provides audio through the cheekbones, so that you can keep in touching and be aware of your environment. Designed for daily use, it is slim, and comfortable. Multi function headset: your IOS and Android devices for Bluetooth. It combines with smartphones, tablets, PCs and laptops. 10 hours battery life: 10 hours of continuous music, podcasts and calls, just charge. With these first-class headphones, you can enjoy balanced audio, optimal volume and Riching sound quality anytime, anywhere. and sweat resistant: these IPX6 certified headphones are sweat-wicking, -proof and moistures proof, making them the training companion for any sports, fitness or running enthusiast. 【Specification】 Communication: Wireless, Bluetooth 5.3 Connectors: USB Input: 5V Charging interface: Android Interface Feature: Comfortable Battery Capacity: 200mAh Package Included: 1 x Headset; 1 x USB Cable; 1 x Product Manual