W1 Wireless Bluetooth Headset Earplug In Ear Sport Noise Reduction Battery Display Bluetooth 5.3 Features: The high-capacity cabin has an extra long, which can last a whole day with Type-C charging. Powerful Bluetooth 5.3 chip, faster and more stable, lower power consumption and power saving. HiFi high-definition audio,-low distortion, shocking sound quality. appearance of all colors of the small color box is designed with frosted friendly technology, which is suitable for playing and leisurely appreciation. It is as as cotton with negligible weight. Equipped with a new version of intelligent 5.3 processing chip, ear and two ears can be switched seamlessly. You can pick up at will and listen. You don't need to wait for seconds to open the cover Product Description: Parameters: Product model: W1 Bluetooth version: 5.3 Communication distance: about 10M Charging time: about 0.5-1H Standby time: about 240h Talk time: about 5-6H Music time: about 7-8H Charging port: TYPE-C Battery of charging cabin: 400mAh Headset battery: 50mAh * 2 General functions: music playing/pausing, call prompt, binaural call, intelligent noise reduction Size: 6.2 * 6.2cm contain: 1x headset 1x charging cable 1x Instructions