Operation Instructions
1.Charging Hummer
• Use the provided cable to charge Hummer.
• Connect one end of the USB Cable provided to Hummer and the other end to any 5V/1A USB
Power Socket.
2. Turning Hummer On/Off
• To turn on Hummer, press and hold the Power button for 3 seconds
• Press and hold the Power button again for 2 seconds to turn off Hummer.
3. Bluetooth Pairing
• Hummer automatically enters into Bluetooth pairing mode once powered on.
• The LED indicator will begin flashing when in pairing mode.
• Turn on the Bluetooth function on your device and select "Promate Hummer" in the available
devices list.
• Some Bluetooth devices may require you to enter a passcode to pair your device to Hummer.
Enter "0000" and press submit.
• Once your device is successfully paired, the LED indicator will stop flashing in Blue.
4. Playing Music via Auxiliary Connection:
• Connect your device to Hummer via the 3.5mm Aux cable.
• Short press the "Power Button" to enter into AUX playback mode.
• Then select the track you wish to play from your connected device.
5. Playing Music via MicroSD Card
• Insert a microSD card into the microSD card slot on Hummer.
• Short press the "Power Button" to enter into MicroSD card mode
• Double short press the Track Control buttons to traverse through the multiple files on the
microSD card.
6. Controlling Music Playback (Only under Bluetooth & microSD card mode)
• Use the "Play/Pause Button" to control music playback.
• Skip to the next track by pressing the "Volume +" button.
• Skip to the previous track by pressing the "Volume -" button.
7. Volume Control
• Control volume via the paired devices or press and hold the "Volume +" or "Volume -" buttons
on Hummer.
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