Features: 1 Amplifier & 2 Modes & 7 Channels: Mighty Air wireless stereo amplifier supports guitar mode and bass mode. Guitar mode has 4 channels(clean-overdrive-distortion-acoustic guitar simulator), and bass mode has 3 channels(pop-rock-funk).  13 Amps + 20 IRs + 19 Effects + 11 Drum Styles: Built-in drum machine, noise gate, guitar and bass amp models, IR cabinet models, dynamic, modulation and ambiance effects, acoustic guitar simulator, supports up to 13 amps, 20 IRs, 19 effects and 11 drum styles.  Stereo-wide Sound Field with Tight Low-end Response: Equipped with a unique speaker system, dual 2-inch custom speakers with a passive bass radiator, Mighty Air can work perfectly with both electric guitar and bass.  Quick-Play Wireless Versatility: Mighty Air comes with the 2.4G wireless transmitter, and sets the new standard for practice amplifiers with its complete wireless versatility. The included transmitter and onboard receiver wireless system can work well with any guitar/bass, active pickups or passive pickups.  MightyAmp Mobile App: Mighty Air's BT connection can do more than just audio playback. You can also control the amplifier with the Mighty AMP mobile application.There are loads of pre-amp models and guitar cabinet IRs and effects available with Mighty AMP app.  Up to 18 Hours Playing Time: A high-performance rechargeable battery is built into this amplifier, which can provide up to 18 hours of continuous playing time on a single charge.   Specifications: Model: Mighty Air;  Color: Black;  USB Power: Type-C 5V/2A;  Charging Time: 3h;  Playing Time: up to 18h;  Input Impedance: 1M;  Power: 10W;  Speaker: 10W *2, 2 inch, 4Ω;  Frequency Response Range: 20Hz-22kHz;  BT Version: 4.2;  BT Distance: 10m;  Input Jack: 1/4 inch Mono(also serves as a charger to charge the wireless transmitter);  AUX In Jack: 3.5mm;  Headphone Jack: 3.5mm;  AUX In Impedance: 22k;  Transmitter Operation Frequency: 2.4G;  Transmitter Latency: <5ms;  Transmitter Wireless Distance: 15m;  Transmitter Power Supply: 3.7V/ 500mAh battery;  Amplifier Size: 18.6 * 9.1 * 9.8cm/ 7.3 * 3.6 * 3.9in;  Amplifier Weight: 780g/ 1.7lbs;  Package Size: 25 * 13 * 11.5cm/ 9.8 * 5.1 * 4.5in;  Package Weight: 1102g/ 2.4lbs;   Note: Important Warning: Never connect a stereo cable between an external device and the input jack on the Mighty Air. There is risk to damage the external device by doing so.  Guitar and bass showed in the picture are not included.   Package List: 1 * Amplifier;  1 * Transmitter;  1 * User Manual