Hands-free: The Bluetooth 5.3 mono headset from DCU TECNOLOGIC is ultra-light. It has a hands-free function that is ideal for receiving and making calls or playing music. With this wireless headset, you no longer have to worry about getting your phone out again and again. Dual connectivity: the wireless Bluetooth 5. 3 headset has dual connectivity that allows simultaneous connection to two mobile devices and improves the stability of the connection and sound transmission. This will make your calls sharper and clearer. Multi-function button: the wireless headset has a multi-function button that allows you to hang up, answer and reject calls, play and pause music as well as activate the voice assistant. It also has a volume control button. Battery: Make and answer calls or listen to music with a service life of 5 hours. To fully charge the wireless headset, you need 1.5 hours. Ergonomic and adjustable: this wireless Bluetooth 5. 3-headset has an adjustable and ergonomic silicone ear hook. It is a device that can be worn on either the right or left ear. Comes with a USB-C cable for charging.