30Hrs+ Hands-free for Calling. The Bluetooth headset was built with a 300mAh battery. 30Hrs Talk Time/240Hrs Standby/ 800 Songs Playback. The EM-SP1 can be fully charged in 1.5H for continuously 30Hrs talking. USB-C cable is included for charging. Dual-Mic Noise Reduction. Built-in DUAL microphones, enable you to answer&reject calls on the Bluetooth headset. Also, the Bluetooth headset for cell phones supports voice assistants. The wireless headset adopts an advanced chip, providing more clear sound and a stable connection. Mute Function & Voice Assistant. Press the "M" mute button until it "beep", the caller cannot hear you. In standby mode, press MFB 3 times to activate the voice assistant/Siri. Comfortable Wearing. Designed to fit in either ear, the rotatable ear hook and mic arm for a secure fit. Only 0.59oz lightweight and comfortable enough to be worn for hours at a time. Eartip can be rotatable at 360° for the best hearing position.
