小型发言播放调频节目的无线电

Portable SD/TF Card Mini Speaker with FM RADIO 1.[SD Card/U Disk Play] Built-in SD card/U disk smart decoder, can directly play SD card,U disk and USB storage devices such as mobile phone etc. 2.[Super Bass] Built-in loop radiators, super dynamic low-frequency sound pressure. 3.[Fashion Portable] Small size for maximum portability, with exquisite gift box or sportive bag. 4.[Dual-Power Mode] Dual-power support for USB-powered computer,or lithium-ion battery-powered. 5.[Memory Play] Auto memory the last song played, SD card,USB storage devices play tracks independently. 6.[Intelligent Charger] Charge using USB powered connecting to PC automatic fast charge. 7.[Don’t Disturb Feature] Can select headphone output mode to avoid disturbing. 8.[AUX Input] Stereo audio inputs, easy access to notebook,digital music player,handhold TVs etc 9.[FM, recording function] Digital FM radio with station presets. wide range of audio-visual products. Speaker Specifications: 1.5-inch4 Output power: 5W Frequency response: 90Hz-20KHz Sensitivity: 80db±2db SNR: ≥80db Distortion: ≤0.3%