Outdoor Portable Wireless Card Audio

Product Information: Functions: card insertion, radio, voice prompt, call function Horn unit: 52mm Type: Bluetooth speaker Connection method: Bluetooth connection Interface type: USB Frequency response range: 100HZ-20KHZ Output power: 10-20W Signal-to-noise ratio: ≥ 75dB Power supply mode: built-in lithium battery Channel: 2.1 Playback duration: 3-4 hours Extended Storage: Not supported Number of speakers: 2 Effective distance: 10 meters Operation mode: key Applicable population: general Display screen: None Shell material: plastic Support for APP: No Supported formats: USB flash disk, TF card, Bluetooth Speaker adjustment method: key Is there a radio function: Yes Box material: plastic External dimension: 183 * 60 * 56mm Product weight: 0.252 (KG) Logo printing: Yes Processing method: customized with supplied samples Color: Blue, Black, Red, Silver Grey Shell process: ABS plastic Package list: 1 * Data cable, 1 * Audio cable, 1 * Instruction manual, 1 * This machine