Brand - Edifier, Model - Edifier TWS X2, Type - Earbuds, Connectivity - Bluetooth, Frequency Response - 20Hz - 20KHz, Sensitivity - -38 +-1dB (Microphone), Impedance (ohm) - 32ohm, Microphone - Yes, Working/Bluetooth Range - 10 Meter, Bluetooth Version - Bluetooth 5.1, Sound Mode - Stereo, Waterproof - Yes, Waterproof Grade - IP54, Dustproof - Yes, Shockproof - No, Driver Unit - 13mm (Dynamic), Battery - 37mAh (earbuds), 350mAh (charging case), Rechargeable Battery - Yes, Playing Time - 7 Hours (Earbuds), 21 Hours (Charging Case), Operating Range - 10 Meter, Color - Black, Feature - 28 hours battery life, 13mm dynamic drivers create an immersive audio experience, Deeply optimized call noise reduction for crystal clear call quality, IP54 dust & water-resistant for outdoor use, Lightweight and comfort, User-friendly touch control., Others - Charging Port: USB Type-C, Bluetooth Protocol: HFP, A2DP, AVRCP. Input: 5V/200mA (earbuds), 5V/1A(charging case). Sound Pressure Level: 94+ -3dBSPL(A), Mircophones: 2 (1 on each earbud), Audio Coding: SBC, Specialty - Tiny Body, Powerful Beats: 13mm large speaker ensures a wide soundstage and balanced sound. The bass is solid and powerful with exhilarating details, offering you a live music experience. Clear Chat and Seamless Communication: Advanced optimized call noise cancellation, real-time reduction of ambient noise interference, further enhanced human voice, improved sound clarity and fidelity. The voice chat is guaranteed even in a noisy outdoor environment. Enjoy Your Game at Ultra-Low Latency: When game mode is enabled, visuals and audio are perfectly synchronized with a low latency, allowing you to take the lead and fully enjoy. A Companion of Sports: IP54 rated dust and water-resistant, be with you indoor and outdoor for all day use, no fear of wind or rain. Your workout companion. Long Battery Life, Long Music Playback: 7h Playtime per charge, up to 28h with charging case. Convenient for all day use with uninterrupted music., Warranty - 1 Year, Country of Origin - China, Made in/ Assemble - China