USB port of your PC /power bank to charge the device. The limited
voltage is 5V.
AUX-in jack. Connect the U150 with your pc, MP3/mp4 player,
Tablet, Mobile and other playback devices with 3.5mm jack by
audio cable and U150 will disconnect the Bluetooth®
automatically.
Charging indicator. Red indicator lighted when charging, and off
after fully charged.
Indicator Color
Blue indicator flashes
Blue indicator remains
steadlily on
Low power indicator flashes
Red charging indicator light
U150 working status
Status of waiting for connecting
Connected to Bluetooth® source or
connected to aux in devices.
Battery voltage lower than 3.3v, Red light
flashes means your speaker need to be
charged
Red indicator is on when charging, and
off when fully charged.
5 Indicator instruction
8
9
