Feature: 1. A compact desktop guitar amplifier with 3W output power, light and portable, suitable for indoor and outdoor use. 2. Has 3 channels of cleaning, overload and distortion, built-in delay, 2 effects of reverb, 9 drum modes and 1 metronome. 3. Can connect a music player/smartphone through the 3.5mm AUX IN interface or BT connection to play guitar and background music. 4. Supports input signal level (GAIN), output volume (VOLUME) and TONE adjustment. 5. 3 power supply methods are available: DC 9V power adapter, 6 x AA batteries or USB connection via mobile power supply. Specification: Item Type: NUX Electric Guitar AmplifierModel: MIGHTY LITE BT AUX IN Input Impedance: 10KΩ Signal to Noise Ratio: 88dB Output Power: 3W Rated Power: 4.2W Speaker: 4Ω 5W Speaker Size: Approx. 7.6cm / 3in Frequency Response Range: 40~16KHz Bluetooth: 4.2 version Bluetooth Working Range: Approx. 10meter / 32.8ft Power Supply: DC9V power adapter (included)/6 x AA battery (not included)/USB 5V (not included) Weight: Net Weight: Approx. 720 g / 25.4 oz. Package List: 1 x Speaker 1 x Adapter (including plug) 1 x User Manual