... ,compact size 2.aluminum alloy case 3. support bluetooth stereo,hands free call Portable Bluetooth speaker with cylinder shape design, the case ... for one time full charge.this bluetooth speaker also support hands free call and can work with iphone,ipad ,ipod,pc,any ... hands free function, built-in high fidelity chip, can answer calls8.With 3.5 stereo audio jack, can connect to laptop/computer, telephone ...