Feature:1. Mesh metal cover for protect speaker from water, dust, shock.2. IPX5 waterproof, dustproof, shockproof.3. Bluetooth 4.2, compatible with all Bluetooth devices.4. 8W horns with bass diaphragm, enjoy heavy bass when play music.5. Cylindrical shape and metal horns offer 360 Hi-Fi stereo.6. Call function, noise canceling microphone makes you answer calls without reaching your phone.7. 700mAh battery for up to 10 hours of playtime at 2/3 volume on a full charge.8. Support AUX, connect with any 3.5mm Jack audio devices, such as cellphones, MP3, MP4, Laptop, PC etc.9. Easy button control, you can press buttons to turn on/off, play/pause, switch mode, skip songs, adjust volume etc.10. It's not only a bluetooth speaker, but also a mini subwoofer, a wired speaker, a bass boom box.Specification:Bluetooth distance: 10MSpeaker power: 8WImpedance: 4Frequency response range: 100HZ-18KHZDistortion: THD<0.5%Signal to noise ratio: 85 dbBattery capacity: 5V 700MAHProduct size: 77.5*64mmpackaging size: 87.2*85*89.7mmProduct weight: 550GCarton size: 44.1*27*21.8cmPacking quantity: 30PCSPacking weight: 20.2KGpacking list:1 * speaker1 * USB charge cable1 * user manual