1.single-channel portable speaker 2.supports ipads,iphone,sumsung ,HTC ETC smart handphone 3.built-in lithium battery super bass blutooth speaker1.single-channel portable speaker2.supports  ipads,iphone,sumsung ,HTC ETC  smart handphone 3.powered by built-in lithium battery4.quick -charging fuction to battery5.with AUX fuction6.with volume control function7.with handphone hand free8.Replay telephoneSpec:1.lithium battery voltage:3.7V2.lithium battery capacity:400MAH3.recharged voltage:5V3.horn spec.:40MM 3Ω ,3W4.Frequency response:60Hz-18KHz5.SNR:≥95DB6.distortion degree:≤0.5%7.size:60*60*57MM

Protable bluetooth speaker SBS001