1 Rechargeable: The charging case has a built-in 1200mAh rechargeable battery that can be used for 24 hours on a single charge. The earbuds can be charged automatically when you put them in the charging case for a long life. 2 Bluetooth 5.3: The Bluetooth earbuds use Bluetooth 5.3 technology for fast, stable and efficient transmission to ensure your great experience, supporting HSP, HFP, A2DP, AVRCP; providing call stereo sound. 3 Stable Connection: Wireless earbuds can be used to connect to laptops, for iOS tablet, for iPhones, for Androids and Bluetooth headsets that wake up with voice helper. Let your focus be on your calls or music without worrying about losing sound. 4 Ergonomic Design: The wireless sports earbuds are ergonomically designed to fit comfortably in your ears for an active life, so you can focus on reaching new heights in your workout. The transmission distance is approximately 10 meters. 5 IPX7 Waterproof: These wireless Bluetooth earbuds are protected from sweat or rain damage. It won't get in the way of enjoying exercise, music and calls, making it perfect for fitness, trips and more. Remove from the charging case to connect.Item Type: Wireless Bluetooth EarbudsMaterial: ABSColor: BlackBluetooth Version: V5.3Transmission Distance: 10 MetersTalking Time: About 3.5 HoursCharging Time: Charging bin to the full charge to 1 hour, Charging bin to the headset full 1 hourHeadset Battery Capacity: 2 x Built in 50mAh Lithium Battery (Include)Charging Compartment Battery Capacity: Built in 1200mAh Lithium Battery (Include)Scope of Application: for Cell Phones, Tablets, Laptops and Other Devices That Support Bluetooth

What's in the box
2 x Bluetooth Earbuds1 x Charging Compartment1 x Data Cable