Mini Bluetooth Speaker Subwoofer Double Diaphragm Outdoor Portable Bluetooth Audio Waterproof Mini Sports Riding Subwoofer TF Card audio

Battery capacity: 1500 mA Frequency Response Range: 100HZ-20KHZ Output power: 10W Signal to noise ratio: 75dB Power supply: built-in lithium battery Channel :2 Extended Storage : 32GB Bluetooth protocol: 3.0 Number of horns: 2 Effective distance : 10 meters Function: Call function, card Operation mode Button Display : No Play Format :WAV,MP3,APE,WMA,FLC Shell Material : Plastic Support format :U disk Is there a radio function: Yes Box material: plastic