EWA A107 TWS Super Mini Subwoofer Bluetooth Speaker BlackFeatures: 1. Mini portable 2. Mesh metal cover to protect the speaker from water, dust and vibration 3. IPX6 waterproof, dustproof and shockproof 4. 5W speaker and b diaphragm, enjoy heavy b music 5. Cylindrical and metal speakers provide 360-degree high-fidity stereo 6. Call function, noise canclation microphone, let you answer the call without touching your phone 7. Bluetooth 4.2, compatible with all Bluetooth devices 8. 500mAh battery, up to 10 hours of game play timeProduct specifications:Bluetooth distance: less than 33 tCharging time: 2-3 hoursListening/speaking time: 10-12 hoursCharging parameters: 5VSupport music formats: MP3, WAV, WMA, Flac, APEFrequency response: 70Hz-20KHzSignal to noise ratio: greater than or equal to 90dBmaterial: metalProduct size: 4.8 x 4.8 x 5.4 cmPacking list:Bluetooth speaker x 1USB cable x 1User manual x 1