SBT528 manual button function:
A B C D AUSB charging port BQuick press increased the volume, Long press skip to next song. CQuick press decreased the volume, Long press skip to previous song. DLong press power on, quick press play/pause. Function 1Bluetooth connection When turned on, the red and blue lights flash alternately, enter into pairing status, then you can open the Bluetooth function, start to searching. When found SBT528, Bluetooth paired successfully. If needs to use the password, please try to use 0000, press confirm, waiting for connecting. When paired the bluetooth successfully, the blue light flashes slowly, now you can enjoy the music. Remarks: Multimedia devices have memory function, after the first successful connection, the second connection does not need to set up again, the headset will automatically connect to the last device has been connected before. 2Charging When the battery is low, you can use a USB port to charge, during the charging , the red light is on, charging full, the blue light is on, the red light is off. This equipment has been tested and found to comply with the limits for a Class B digital device, pursuant to part 15 of the FCC Rules. These limits are designed to provide reasonable protection against harmful interference in a residential installation. This equipment generates, uses and can radiate radio frequency energy and, if not installed and used in accordance with the instructions, may cause harmful interference to radio communications. However, there is no guarantee that interference will not occur in a particular installation. If this equipment does cause harmful interference to radio or television reception, which can be determined by turning the equipment off and on, the user is encouraged to try to correct the interference by one or more of the following measures:
Reorient or relocate the receiving antenna. Increase the separation between the equipment and receiver. Connect the equipment into an outlet on a circuit different from that to which the receiver is connected. Consult the dealer or an experienced radio/TV technician for help. Caution: Any changes or modications to this device not explicitly approved by manufacturer could void your authority to operate this equipment. This device complies with part 15 of the FCC Rules. Operation is subject to the following two conditions: (1) This device may not cause harmful interference, and (2) this device must accept any interference received, including interference that may cause undesired operation. The device has been evaluated to meet general RF exposure requirement. The device can be used in portable exposure condition without restriction.