EWA A107 TWS Portable Super Mini Subwoofer Waterproof Bluetooth Speaker(Black) Feature： 1. Portable mini size(4.8*4.8*5.4cm). 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° Hi-Fi stereo. 6. Call function, noise canceling microphone makes you answer calls without reaching your phone. 7. Bluetooth 4.2, compatible with all Bluetooth devices. 8. 500mAh battery for up to 10 hours of playtime at 23 volume on a full charge. 9. Its not only a bluetooth speaker, but also a mini subwoofer, a bass boom box. Specification： Bluetooth version: 4.2 Bluetooth distance: <33Ft Support: Bluetoth Extended memory: 32G(Not included) Battery capacity: 500mAh Charging Time: 2-3 hours ListeningTalking time: 10-12 hours Waterproof level: IPX6 Charging parameters: 5V Support music format: MP3, wav, wma, Flac, APE Frequency response: 70Hz-20KHz Signal to noise ratio: ≧90dB Distortion rate: <0.1% Material: Metal Color: Dark Grey, Blue, Red, Silver, Rose Gold, Gold Product size: 4.8*4.8*5.4CM Package size: 73.5* 90.4mm Outer box size: 390x25x20.5Cm Packing quantity: 30PCS Packing weight: 10.6kg Packing list: Speaker*1 USB Cable*1 User Manual*1