ENVIRONMENTAL NOISE CANCELLATION Single MIC with AI ENC enables clear voice capture and reduces surrounding noise GREAT SOUND QUALITY Fine-tuned 6mm drivers deliver powerful bass and 4 EQ presets (Classic/Pop/Classical/Rock) via Edifier Connect App BATTERY LIFE Earbuds provide about 6 hours of music playback and charging case provides an additional 18 hours of battery life STABLE CONNECTION Bluetooth 5.3 technology provides a smooth connection for hours of wireless listening GAME MODE Synchronization with 60ms low latency in game mode EDIFIER CONNECT APP Customized control settings and additional features DUST & SWEATPROOF IP55 certified for your on-the-go activitiesBluetooth V5.3 Bluetooth Protocol A2DP, AVRCP, HFP Effective Distance 10M Playtime (hours) Earbuds: about 6h ; Charging case: about 18h Total: about 24h Battery Capacity 3.7V 37mAh(earbuds) |3.7V 350mAh (charging case) Charging Port Type-C Input 5V 200mA (earbuds) |5V 1A (charging case) Charging Time 1.5h (earbuds) | 2h (charging case) Weight 33g (Earbuds+Charging case) Audio Coding SBC Driver Φ6mm Dynamic Impedence 16Ω Sound Pressure Level 94±3dB SPL (A) Frequency Response 20Hz-20KHz Mircophones 2 (1 on each earbud) Microphone Sensitivity -38dB±1dB IP Rating IP55 Dimension (L x W x H mm) Earbuds:19.5mm*21.45mm*25.3mm Charging Case:54.3mm*40.8mm*25mm