W200T mini True Wireless Earbuds Headphones BATTERY LIFE 4 hours music playtime + 18 hours charging case Qualcomm® aptX™ AUDIO TECHNOLOGY Enjoy the music in the best sound performance IMMERSIVE SOUND High quality sound resolution and gradation provided by 13mm diaphragm drives CRYSTAL CLEAR CALL QUALITY Make you call anytime with cVc8.0 noise reduction ERGONOMICALLY DESIGNED Light-weight design for all-day comfortBluetooth V5.1 Bluetooth Protocol A2DP,AVRCP,HFP Effective Distance 10m Playtime (hours) 4h (earbuds) + 18h (charging case) Battery Capacity 28mAh (earbuds) | 350mAh (charging case) Charging Port USB-TypeC Audio Coding aptX, SBC Driver 13mm Dynamic Impedence 28 Sound Pressure Level 94±3dB Frequency Response 20Hz-40KHz Mircophones 2 (1 on each earbud) Microphone Sensitivity -38dB±1dB IP Rating IP54 Dimension (L x W x H mm) 47.1 x 24.6 x 50.6 mm