•Painless wearing: It adopts ergonomic angle wearing method, does not enter the ear and does not hurt the ear, and protects the health of the ears •Super long battery life: small size and large capacity, 20 hours of use time with the charging compartment •Directional sound generation: Using directional sound generation technology, can effectively avoid sound leakage •Bluetooth-compatible version 5.3: Using the latest Bluetooth-compatible chip, the connection is more stable •High-fidelity sound quality: Using composite titanium diaphragm speakers, the sound has distinct layers, allowing you to enjoy music quietly •Game mode: built-in game mode, no lag when playing games •HD calls: built-in ENC call noise reduction function, calls are clearer Specification: •Bluetooth-compatible version: 5.3 •Bluetooth-compatible solution: JL •Bluetooth-compatible protocol: A2DP/HFP/HSP/AVRCP •Headphone battery capacity: 3.7V/25mAh •Charging box battery capacity: 3.7V/300mAh •Music time: 4 hours (normal volume) •Number of renewals: 3.5 times •Transmission distance: 15 meters •Charging interface: TYPE-C •Wearing method: clip-on ear type •Functions: calls, listening to music, ENC call noise reduction, game mode Package included: •1 x Pair of Bluetooth-compatible Earphones •1 x Charging Case •1 x Charging Cable •1 x English and Chinese User Manual