_x000D_ _x000D_Small size with 3.5mm male plug design, fit for most kind of mobile and Tablet PC use, this mini size speaker can effectively increase the volume. Whatever play game, music play, or driving navigation, professionalsound signal decoding chip give it more better music play performance than your imagine. _x000D_ _x000D_Feature _x000D_ _x000D_- Color: White _x000D_- Material: Plastic+metal _x000D_- Size: 4.25 x 5.8 x 3.15cm. _x000D_- Built-in power supply: 3.7v 250mAh. _x000D_- Output power: 2-3W. _x000D_- Frequency response: 20-20KHZ. _x000D_- Signal to noise ratio: 90dB. _x000D_- Made by material and professionalsound signal decoding chip, elegant and high sound quality. _x000D_- Plug and play, no driver or APP require, you just need to connect it with your digital device's 3.5mm port. _x000D_- 4 times large volume than your mobile speaker, let you sound voice clearly. _x000D_- Rechargeable battery design, no extra power connect require. Focus on sound playing. _x000D_- Warm Tip: Dear buyer, Due to lighting effect, monitor's brightness, manual measurement and etc, there could be some slight differences in the color and size between the photo and the actual item. Sincerely hope that you can understand! Thank you!Packing list1 x Speaker