Specification: Item Type: Wireless Bluetooth Earbuds_x000D_Material: Metal, ABS_x000D_Bluetooth Version: 5.0_x000D_Channel System: Wireless Stereo_x000D_Control Mode: Touch_x000D_Sound Decoding: MP2, MP3, WMA, APE, FLAC, AAC, MP4, M4A, WAV, AIF, AIFC_x000D_Bluetooth Effective Distance: 10m / 32.8ft_x000D_Frequency Response: 15 to 20000HZ_x000D_Speakers Size: 13MM (32R)_x000D_Earbuds Battery Capacity: Built in 2 x 30mAh Lithium Battery_x000D_Battery Capacity: Built in 180mAh Lithium Battery Features: 1Noise Reduction: The wireless Bluetooth earbuds effectively reduce ambient noise interference, providing an immersive music, gaming, and calling experience without distractions. 2Stereo Sound: Experiencevivid and clear stereo sound with the earbuds, enhancing the immersive quality of your sound content. 3Touch Control: Easily control music playback, answer calls, adjust volume, and more with simple gestures using the touch control feature of our earbuds, offers convenient operation. 4Strong Compatibility: The noise reduction earbuds support multiple sound decoding formats, allowing you to enjoy different types of music with ease. 513mm Speakers: Equipped with large 13mm drivers, the earbuds deliver rich sound performance and powerful bass effects, amplifying the quality of your music listening experience. PackageList: 2 x Earbuds (Shipped with Built in Battery) 1 x Charging Case 1 x Data Cable