1. MODE keys can adjust the performance sound effects, including "original sound", "CHOR", "FLAG", "OVDR", "WAH", corresponding to the original sound, chorus, flange, overload and frog sound effect, with corresponding indicators display. 2. Support Bluetooth receiving function, with BT status indicator, can connect Bluetooth audio equipment, input background music, and experience the performance of the band; 3.Push-pull switch can adjust the output volume of the instrument, so that the B6 can adapt to guitars with active and passive pickups, and has a application range; 4. The output uses D3.5 socket, built-in amplifier, can be connected to guitar speakers (Guitar port), wired headphone output. 5. Power supply: built-in lithium battery, USB charging port, full battery life up to 8 hours; corresponding charging, low battery indicator. Parameter: Type: Lithium Polymer Size: 12.5x4.3cm Number of batteries: 1 Number of battery cells in a battery pack: 1 Output voltage: 3.7V Output power is: 2.96W colour:Red-brown Material:ABS Package Contents: 1 x guitar Audio transceiver 1 x D3.5 elbow to D6.35 audio cable 1 x USB charging cable 1 x one grey cloth bag 1 x Manual Only the above package content, other products are not included. Note: Light and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.