Fresh 'N Rebel Rockbox Round H2O Manuel page 3

Control Buttons, when connected via Bluetooth:
1a/1b/1c/2
4 3
1a. On/Off button - Press for 2 seconds to turn on/off
1b. (When playing music) Short press: play & pause, long press:
Bluetooth pairing mode
1c. (When a call comes in) Short press: take & end call,
long press: decline incoming call
2. LED-Bluetooth connection status
3. LED-charging status
4. Micro USB charging port
Attention
Make sure the rubber cap is shut tightly after charging to make
sure the Rockbox Round H2O can handle water splashes and jets.
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