V04-TWS Wireless Earphone Gen4 Youth TRUE WIRELESS STEREO EARPHONE Cable Away Freedom Awake Wireless 5.3 chip, consistent performance Semi-in-ear design, stable fitting against falling off Mini size, easy to carry around 13mm large composite diaphragm, immersive listening experience Professional tuning and calibration to deliver excellent sound quality 3.5h Battery life 120days Standby time 5.3 Wireless chipBluetooth Version: V5.3 Material:ABS+PC Earphone: 2*25mAh Charging box: 230mAh Charging: 2h Play: about 3.5h Driver Element: 13mm Rated Power: 3mW No wireless charging No In-ear detection Charging type: lightning