Hands-free: The Action Pro Bluetooth mono headset from DCU TECNOLOGIC has a hands-free function, which is ideal for answering and making calls or playing music. With this wireless headset, you no longer have to worry about getting your phone out from time to time. Dual connectivity: the wireless Bluetooth 5. 0 headset has dual point connectivity that allows simultaneous connection to two mobile devices and ensures greater stability of connection and sound transmission. It has a dual microphone for better sound quality when calling. Long-lasting battery: With a single charge of the wireless headset, you can talk and listen to music for 18 hours, with the charging bag even up to 72 hours. Multi-function button: with the multi-function button, you can hang up, answer or reject calls, play or pause music and activate Siri, the virtual assistant for iOS, macOS, tvOS and watchOS. It also has volume control buttons and a mute button. CUSTOMIZABLE This wireless Bluetooth headset features an adjustable, ergonomic silicone ear hook. It is a device that can be worn on both the right and left ear. Included are 3 replacement earbuds (sizes S, M, L), a USB-C cable for charging and a charging case with LED residual charge indicator.