Portable Wireless Bluetooth Speaker with Extra Bass IPX7

100,000+ Happy and Satisfied Fans: High quality and reliable portable speaker that’s trusted by consumers around the globe. Product Features Water-Proof & Dust-Proof Bluetooth Speaker - IPX7 Power Bank* 4400mAh Material ABS Support The Clear Communication Bluetooth Hand-Free Function. Support Aux in Function. Support Extra Base Lifetime Warranty: Get 12 months out of the box. Connections Bluetooth CSR 4.2 NFC (Near Field Communication) 3.5mm Stereo Input Micro - USB Port (charging only) Bluetooth Bluetooth CSR v4.2 Wireless Range: at least 33 feet (10m) Audio Output Power  10W*2 Speaker Unit Diameter 45mm Frequency Response 20Hz~20kHz Impedance  4OHM Sensitive  80dB±2dB Signal To Noise Ratio >=  60dB Distortion  =<1% Power and Battery On/Off Button About 6 hours of continuous playback Built-in Rechargeable Battery 4000mAh Power Bank* 4400mAh  Size & weight Length  8.7 in (223 mm) Width    1.56 in (43mm) Height   3.93 in (100 mm) Weight   22 oz (621 g) * When the speaker acts as a power bank, the white LED lights indicate the current battery life.