Noise reduction: Includes adaptive noise reducing function for a great sound quality. Wireless earbuds: Get a handy pair of new wireless earphones. Bluetooth: Bluetooth 5.0 wireless technology with a working distance of 25-30 metres. USB charging: Comes with a charging case and USB charging cable. Full charge has a working time of three hours and a standby time of 300 hours (Top tip: See the earphone power status on your phone screen when connected!). Automatic connection: Set up to automatically pair with your phone - no need to manually pair with your phone each use! Comfortable: Ergonomically-designed for a great fit - don't worry about them falling out. | Bluetooth Wireless Earbuds - Black | Wowcher