How do I charge UNIT-4?

Connect the power supply in the box to the socket on the back. A full charge takes 2 hours. Playback is about 20 hours.

Before you start

UNIT-4 charges by USB-C. UNIT-4 (Model: MKI) charges by DC. Charge between 0 and 40°C.

Steps

1. Plug the power supply into the socket on the back of UNIT-4.
2. Plug the other end into the mains.
3. Double press the middle button to see the battery level.

Watch UNIT-4 getting started:

If it doesn't work

• The level does not change. Push both ends of the power supply in fully, then double press the middle button again.
• The room is very cold or very hot. Charge between 0 and 40°C.