User's Manual

How to use
A. Charge:
1. Connect USB charging cable to the headphones and a USB
source
2. LED light turns red when charging, and turns off when charged
B. Pairing:
1. With headphones turned off press and hold the center button
until the LED flashes a rapid blue light and you hear the words
“pairing mode.”
2. On your device, turn on the Bluetooth function, and set it to
search for Bluetooth devices.
3. Select “BT Hearmuff” from the list of found devices
4. When paired, the LED flashes blue slowly.
Note:
During pairing, if the headphones are not connected to a device within 5 minutes,
they automatically turn off.
When successfully paired, your headphones automatically reconnect to the most
recently paired device when switched on.
NOTE: 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
Changes or modifications not expressly approved by the party responsible for compliance could
void the user's authority to operate the 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.
RF Exposure Information.
HearMuff Bluetooth 0421 - REV A