User's Manual
32
6 Regulatory and legal information
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 modifications 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.
RF Exposure Information
The device has been evaluated to meet general RF exposure requirement. The device can be used in
portable exposure condition without restriction.
FCC ID: 2A39M-W3HEARING
Radio Technology: Bluetooth classic mode and Bluetooth Low Energy (BLE) and
proprietary technologies.
Radio Transceiver Frequency Range: 2.4 to 2.4835 GHz Radio Receiver Bandwidth: 2MHz
Modulation Type: GFSK, π/4DQPSK, 8DPSK for BT
GFSK for BLE
This equipment has been tested and found to comply with the limits per CISPR 11 class B.
This symbol means the product must not be discarded as household waste, and should be
delivered to an appropriate collection facility for recycling. Proper disposal and recycling helps
protect natural resources, human health and the environment. For more information on disposal
and recycling of this product, contact your local municipality, disposal service, or the shop where
you bought this product.
Operating Conditions:
Temperature Range: 32°F – 104°F (0°C – 40°C) Humidity Range: 0 – 95% RH