B35 True Wireless Earphones - E-commerce Short Copy Sleek Transparent Design | IPX4 Waterproof | 5-6h Playtime Equipped with Bluetooth 5.3 & dual-host sync transmission for lag-free audio-visual sync in games. LED power display shows battery level clearly; 3.5g single ear with ergonomic design for all-day comfort. Type-C charging, HD calls, and easy touch controls make it perfect for daily use & workouts!