Bluetooth 5.0: Wireless technology makes them easy to connect via Bluetooth (5.0 and above). Earbuds: Get a pair of next gen smartphone compatible Bluetooth headphones. Design: Flexible, lightweight and comfortable. Charging case: Includes an intelligent charging case. Connecting:They turn on and connect automatically once removed from the case. Playtime: Last up to four hours! | Wireless Earbuds & Charge Case | Wowcher