Features:Supports 5 classic effects: reverb, chorus, flanger, overdrive and wow wah.With 3.5mm audio output, can be directly connect to speakers or headphones, and the output volume can be adjusted by volume switch.Supports BT connection, background music can be input wirelessly via your smartphone or other audio device with BT.6.35mm rotatable plug available for guitars with input jack in different positions, flexible to use.Built-in rechargeable 800mA battery, allows you to use it anytime and anywhere.Specifications:Material: ABSFits: for electric guitar, acoustic guitar with EQEffects: Reverb/Chorus/Flanger/Overdrive/Wow WahPower Supply: Built-in 800mA batteryCharge: Micro USB portFrequency Response: 50Hz-18kHzInput Impedance: 22k ohmOutput Impedance: 32 ohmBT: BT2.0Audio Cable: 3.5mm to 6.35mm plug, 3 meters longItem Size: 12.5 * 4.3 * 2cm / 4.9 * 1.7 * 0.8inItem Weight: 40g / 1.4ozPackage Size: 11.5 * 8 * 7cm / 4.5 * 3.1 * 2.8inPackage Weight: 225g / 7.9ozNote:The guitar and amplifier showed in the picture are not included.Package List:1 * Effector1 * USB Charging Cable1 * Audio Cable1 * Carry Bag1 * User Manual