Professional IPX7 Waterproof Portable Bluetooth Speaker Outdoor Column Stereo HiFi Speakers Support TF Card Mp3 Player for Mobile Phone/Tablet/Computer

Bluetooth version: 4.1 Output power: RMS 10W*2 Material: ABS plastic, cloth net / double diaphragm Frequency response range: 65-20KHZ Speaker size: Φ50MM 4Ω 3W Signal to noise ratio: ≥80dB Charging voltage: 5V≥600MA Bluetooth receiving distance: ≥10M Play time: 20 hours Charging time: 4.5hrs 5V/2.3A Charging mode: 5V/2A Battery specifications: 2000mAh 3.7V Indicator light: LED light display; mobile phone hands-free calling function Audio input: USB, Bluetooth, TF, FM radio Applicable: smart phones, tablets and devices that support Bluetooth, 3.5MM audio Product size: 18.5 *75 *85mm Stand-alone weight: 800 g Color: red, black, blue, camouflage, green Function description: USB, Bluetooth, TF, FM radio, hands-free calling, with mobile power Accessories: charging cable, stereo audio cable