Feature:1. Pedal type, portable 2in1 guitar amplifier and for bluetooth speaker, dualchannel design (CLEAN & OVERDRIVE), each channel has a GAIN control knob.2. This guitar amp has 2 modes of overspeed channel, CLASSIC overspeed mode and HI GAIN mode; 2 foot switches are used for channel and mode conversion, and the operation is simple and convenient.3. The guitar speaker has built-in guitar delay effects, and MIX, TIME, FEEDBACK control knobs, supports for Bluetooth transmission, and can play music from smart devices through for Bluetooth 4.0.4. Using the 6.35mm headphone jack, you can practice guitar or enjoy music, equipped with a rechargeable lithium battery, and equipped with a power adapter, convenient for long-term use.5. This guitar amplifier switches the channel by pedaling, and has a fullfeatured delay effect device, and it can also be used as a normal amp.Specification:Item Type: Pedal Guitar AmplifierApplication: Acoustic guitar/electric guitar/electric bassAmplifier Power: 2 x 4W2 x Speaker: Approx. 40mm / 1.6inBattery Life: 3 hoursInput And Output: Guitar input headphone outputHeadphone Drive Capability: 75 ohmPower Supply: Built-in 7.4V 2200mAh lithium battery or power adapter DEL AY Effect Control Knob: TIME/MIX/FEEDBACKGuitar Effect Part Control Knob: CLEAN GAIN/DRIVE GAIN/TONEMASTERControl Pedal: CHANNEL switching pedal/DRIVE MODE selection pedalGuitar Effect Channel: Built-in Clean and Drive channels, there are Classic mode and Hi Gain mode under Drive channel.Package List:1 x Speaker1 x Adapter1 x Power Cable1 x User Manual