Feature: Bluetooth 5.1: Using the newly upgraded 5.1 high version Bluetooth chip, it has higher compatibility and faster and more stable data transmission. ENC dual-microphone noise reduction: Using dual-microphone ENC noise reduction technology, calls are clearer, as if two people are chatting face to face. Lower power consumption and stronger battery life: Using low-power consumption high-performance polymer battery, 50 hours of continuous talk time. Lightweight ear-hook wearing: Ergonomic curve design, the earphones fit the auricles, receive even force, and are comfortable to wear and not easy to fall off. Multiple scene applications: Very suitable for driving, sports, chatting, playing games and other scenarios. Easy to operate: The popular one-touch control function supports switching songs and calling. Stylish and elegant appearance: The vacuum electroplated mirror design has a fashionable appearance and is very suitable as a gift for relatives and friends. Specification: Bluetooth version: V5.1+EDR Transmission distance: 10m Battery capacity: 230mah