X2 True Wireless Earbuds Headphones BATTERY LIFE Up to 7 hours music playtime+21 hours charging case IMMERSIVE AUDIO EXPERIENCE 13mm dynamic drivers create a wide sound field and balanced listening feeling CRYSTAL CLEAR CALL QUALITY Deeply optimized call noise reduction, reduce environmental noise interference and enhance human voice to improve sound clarity DUST RESISTANT & WATERPROOF FOR OUTDOOR USE IP54 LIGHTWEIGHT and COMFORT Anywhere usage USER-FRIENDLY INTERACTION DESIGN Supported by Touch controlBluetooth V5.1 Bluetooth Protocol HFP, A2DP, AVRCP Effective Distance 10m Playtime (hours) 7h(earbuds) + 21h(charging case) Battery Capacity 37mAh (earbuds) | 350mAh (charging case) Charging Port USB-TypeC Audio Coding SBC Driver 13mm dynamic Impedence 32 Sound Pressure Level 94±3dBSPL Frequency Response 20Hz - 20KHz Mircrophones (1 on each earbud) Microphone Sensitivity -38±1dB Gaming mode