1> bird speaker for mobile phone 2> high efficiency, low power consumption equipment 3> 3.5 mm plug 4> built-in battery mini birds shape speakers ... ,iPod,iPhone,GPS,PSP,mobile phone,laptop etc..7. Audio input: 3.5mm earphone jack.8. Battery: built-in lithium battery 400mA, or USB ... audio line *1pcs, user's manual *1pcs2. Size: 9*7.5*6cm3. N.W.: 56g (speaker)4. G.W.: 0.12kg ...