Bamboo TWS earbuds with auto pairing function to easily connect to a mobile device. Playback time is up to 3.5 hours at max volume, and the earbuds can be fully charged within 2 hours. Bluetooth® 5.0 with up to 10 meters range. Multi-function button with options to play/pause/next track/previous track/answer/reject phonecall. Includes silicone ear tips in 3 different sizes for optimal comfort. Delivered in a gift box including instruction manual (both made of sustainable materials). ABS Plastic, Bamboo wood.