Tune J220 Bluetooth 5 TWS Headphones.SNZ)3. Control buttons.

•TWS stereo mode, with hands-free function, smart auto power on and auto connection (once paired on first use). •Music playback and call control functions using buttons: navigation between songs, answering calls, rejecting calls, redialing the last number, hanging up, and voice assistant. •Bluetooth 5.3 latest generation with low consumption and long range. •Ergonomic design: provides great comfort to the ear during prolonged use. Speaker box that provides natural and clear sound reproduction. •Includes USB-C charging cable. Sound pressure level: 103± 3dB S.Q.L at 1Khz Charging case and earphone voltage: 3.7V Bluetooth: 5.3 Transmission distance: About 10m Call battery life: 3 hours Music battery life: 3 hours Headphone standby time: About 80 hours Headphone charging time: About 1 hour Charging case charging time: About 2 hours Protocol: HFP/A2DP/HSP/AVRCP (ABS, metal alloy)