JLC H43 3.5mm Wired Speaker

Retractable speaker
Compatible with: iPod, MP3, MP4, MP5, mobile phones (with a 3.5mm audio jack), computers and other devices with a 3.5mm audio jack
USB charging cable included
No external power supply needed
Provides one and half hours of playing time at maximum volume or about 3 hours at 50% volume
Low voltage, low power consumption, power amplifier IC, pure sound quality, low distortion