Mini Speaker, Portable Plug in Speaker with 3.5mm Aux Audio Input Built-in 180mah Battery ​for Laptop Computer MP3 Player Cellphone

Key features

• [Good Performance] This mini speaker has low voltage, low power consumption, power amplifier IC, pure sound quality, low distortion.
• [Built-in 180mah Battery] No external power supply needed, provides one and half hours of playing time at maximum volume, or about 3 hours at 50% volume. Comes with a USB charging cable.
• [3.5mm Interface On The Bottom] There is audio cable at the bottom of the speaker, you can can directly connect to the device.
• [Unique Design] Retractable speaker. Small and lightweight, hang hole design, easy to carry.
• [Wide Compatibility] The mini speaker is suitable for MP3, MP4, MP5, mobile phones, computers and other devices with a 3.5mm audio jack.