This is a web controller for the Valeton GP5. You have to use Chrome or another browser with Bluetooth Web enabled, and a desktop or phone with bluetooth.

You can use the keyboard to press the buttons:

• A1 : 1, A
• A2 : 2, S
• A3 : 3, D
• A4 : 4, F
• A5 : 5, G
• B1 : Q, Z
• B2 : W, X
• B3 : E, C
• B4 : R, V
• TAP TEMPO: SPACE