DUDAO U7S Noise Cancelling Hands-free Mono Bluetooth Headset for Mobile Phones with up to 16 Hours of Long Talk Time & 120 Days Long Stand by Time, Ultra-Light Business Bluetooth Headset BT V5.0 For Business Meeting, Office, Driving, Sweat Proof

The Bluetooth headset was built in 90 mAh battery, it can be fully charged in 1.5H for continuously 16H talking & 120 Days Long Stand by Time.
Bluetooth V5.0: Adopts the latest version of Bluetooth V5.0, compared with old version, it greatly reduces the chance of cutting in & out and provides more stable connection for up to 33 feet away. Also, it can be connected with two devices simultaneously.
Comfortable Wearing: Designed to fit both ears, it is lightweight and comfortable enough to be worn for hours.
True Wireless Headset with Clear Sound: Built in microphone, it enables you to answer & reject calls and mute on the Bluetooth headset. Also, the Bluetooth headset supports voice assistant. The wireless headset, which provides more clear sound and stable connection.
SMART FUNCTION & LONG BATTERY LIFE: Our Bluetooth Earpiece supports Siri voice prompt and mute function, one key to power on and enter pairing mode, 1 to 2 connections. Super long battery life, 180 HOURS standby time, 9 HOURS talking time, 8 HOURS music playing time after full charge. With 33ft (10meters) Bluetooth working range.