Wireless bass knob features

Wireless - 2.4 GHz (802.11 b/g/n)
0.96" OLED display shows Car voltage, Volume level, Battery level and WiFi status
4 Adjustable Sensitivity settings: Low, Normal, High, Extreme
Up to 50 feet of range
Built in Auto sleep mode.
Battery capacity of 1000 mAh
USB-C Charging with battery protection
Wide frequency response (10-20khz)