500XL Giant Earbud Speaker ,great invention for music lovers and good decoration for your desktop ,great sound effect.

But only if you hold the 500XL giant earbud speaker to your head, You see, these are actually desktop speakers, shaped like earphones, but giant earphone speaker at 500 times the size. Power is via batteries or USB, with a mains adaptor available separately if you prefer.

Rated Impedance       4ΩOutput Power          2W*21KHZ,THD10%Supply Voltage        DC 5V IN   or 4AAA Battery(1.5V)Circuit Current         ≤300mAFrequency Response   2000HZ12KHZ,Supply Voltage Rejection ≥48dB

can be powered by usb port and 4PCS AAA Batteries

Weight 445g

500XL Giant Earbud Speaker