Scuru 16W Small Electric Guitar Amp Portable Guitar Practice Speaker for Daily Practice Street Performances Rechargeable Amplifier Supports BT/Headphone Connection Built-in Distortion Effect Plug and Play Charging Method: Type-C(5V IN)-Compatible phone charger Speaker Power: 16W Compatible Equipment: Guitar Guitar Input: 1/4 inch plug jack 6.35MM Headphone Output: 1/8 inch plug jack 3.5MM Switches: BT(on/off), clear/driver, power on/off Knob: Master Volume/Drive Volume/Tone/Gain Charging Time: 2-4H BT Working Distance: 15m/49ft Power Supply: 3.7V 2500mAh battery powered Working Voltage: DC 5V Main Material of the Product: Plastic Product Color: Black Product Size: 19.5 * 7.5 * 13 cm/7.7 * 3 * 5.1 inch Product Weight: 720 g/25.4 oz