Features: Comfortable to Wear: No in-ear design required, multi-point support, even when you do strenuous exercise, you do not have to worry about it will shift and fall off. Bluetooth-compatible 5.0 Chip: Effectively solve the headset and Android connection instability, faster and more stable connection, and more compatible. IPX8 Level Waterproof: Multi-process tight design for the headset to provide a full range of splash waterproof protection, even running fitness is not afraid of rain and sweat. Long-lasting Battery Life: The charging compartment combines charging and storage, and intelligent display of power, the headphones can continue to listen to songs all day when fully charged. After-service: If you have any questions after receiving the product, please feel free to and we will provide you with a satisfactory answer. Specification: Bluetooth-compatible Version: 5.0 Transmission Distance: 10M Frequency Range: 20Hz-2oKHz Battery: 200mAh Charging Time: 2-3h Standby Time: 15days Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement.