... quality 3.Can be used with mobilephone,all device with 3.5mm 4.In stock Mini Magic Speaker With FM Features:1. high quality ... rechargeable batteries, super long play;4. integrated headset, USB connectivity, FM radio antennas, Line in and chargingfunctions in the same interface, use ... or other audio source device for power amplifier; Specifications:1.Headphone output: THD+N=0.6%32 ohm SNR=90db 32 ...