Ultra Mini Hamburger USB Rechargeable Portable Speaker Keychain - Yellow (3.5mm Jack)
Color: Yellow - Ultra portable and lightweight speaker system - Custom high quality speaker - Power out put: 2.2W - SNR>=89db - Build-in 200mAh rechargeable li-on battery - Works with: Iphone Iphone 3g all iPod products all devices with standard 3.5mm audio plugs - Volume control with ON/OFF switch Supported - Built-in 3.5mm jack audio cable - Comes with USB charging cable