Sport OEM Headphone TWS True Wireless Bluetooths Earphone connect wirelessly via Bluetooth technology which gives 10-20 meters of working distance. The device is compatible with devices like smartphones, desktops, TV, tablets, laptops, etc. The buds are equipped with noise reduction technology. Its in-built microphone provides crystal clear conversions. They are IPX7 waterproof and can be used during swimming. Also, its LED display shows you the battery status of the buds. Its battery capacity is 500mAh which lasts up to 5-8 hours. The ergonomic design and ear hooks seamlessly give a secure fit and you can wear them during exercises.