... in MP3 format in SD/MMC card,U disk,mobile phone, MP3, MP5, PC,etc SD/MMC card wooden ... max.:16G).Can be connected to audio output device: mobile phone, MP3, MP5, PC,etc.Support remote control function. ... :150-18KHZ.SNR: ≥80dB.Speaker:OD40mm 4ohm.Built-in Li battery. Material: wooden. Product size: 14.1x8.4x6cm.G.W. ... USB cable, audio cable. wireless wooden speaker for smartphone,cell phone,pc,mp3,etc