Feature 1. Portable mini size(4.7x4.7x10.4cm).2. Mesh metal cover for protect speaker from water, dust, shock.3. IPX6 waterproof, dustproof, shockproof.4. 5W horns with bass diaphragm, enjoy heavy bass when play music.5. Cylindrical shape and metal horns offer 360 degree Hi-Fi stereo.6. Call function, noise canceling microphone makes you answer calls without reaching your phone.7. Support TF Card or misro SD Card up to 64G.8. Easy button control, you can press buttons to turn on/off, play/pause, switch mode, skip songs, adjust volume etc.9. Bluetooth 5.0, compatible with all Bluetooth devices.10. 6000mAh battery for up to 105 hours of playtime at 50% volume on a full charge.11. TWS function, you can conncect two speakers with one phone at the same time to enjoy 3D stereo.12. It's not only a bluetooth speaker, but also a mini subwoofer, a wired speaker, a bass boom box. Specification:1. Bluetooth version: 5.02. Bluetooth distance: =90dB12. Distortion rate: