No More Tangled Wires! Perfect sound quality and bass effect、 when you go out to enjoy unfettered music anywhere From the world heirlooms - get inspired and Choi to classical ring shape、 for you comment coexistence of art and technology inherent meaning. Support high-quality Bluetooth audio transmission、 using 2.0 stereo、 time for you to render soft and delicate tone and comfortable listening enjoyment. Bluetooth V2.1 + EDR technology Compatible mainstream smart terminal、 including Android、 for Apple systems、 windows system、 the effective distance of 10 meters or more; aside the shackles of traditional wired、 reliable audio transmission、 whether chatting or playing games、 can bring you pure shock sound effects. TF card plug and play、 dual audio decoding TF card support mobile storage devices plug and play stored music files、 let the music play function breakpoint perpetual forward. Card playing function without a mobile device、 so enjoy the music easier. Built-in high quality microphone、 support call function Connect your phone、 computer、 or for Ipad、 you can easily call or audio call、 to bring you a more perfect calling experience. AUX external audio source access、 greatly expanding sources The device is not just any wireless connection、 AUX interface can phone、for ipad、 laptop、 computer、 MP3 / MP4 and other connections、 direct and convenient. functions: blowing control small features、 really interesting! During playback、 breathed music pause; then blowing it、 the music sounded! Service and Support : Output Power: 2.5W * 2 (RMS) Speaker Size: 1 inch * 2 System Frequency Response: 30Hz-20KHz SNR: －60dB Input Sensitivity: 600 ＼ 100mV Distortion: ＋0.3% (1W 1KHz) Size: L96 * W96 * D37mm Charging voltage: DC5V 1APackage Including1 x Bluetooth Speaker