... ,ROHS,ISO 3. can answer,switch a call 4. 3.5mm can connect with ipone/ipod 5 .Li-battery TL-M1018 ... big power.6. High quality sound,natural,loud and elegant.7.Excellent reliability,dust-proof,shock-proof and magnet-proof,etc ... Wireless portable Multimedia Mini outdoor usb speaker with usb, 3.5mm input