Operation Instruction

9. Specification
Transmitter
Working voltage：5V
Frequency range：2403MHz-2477MHz
Delay time：24mS
Transmitting power：+2 dBm
Wireless working range: 10M
Receiving sensibility ：-85dBm
Headset
Battery working time：≥12h
Charging time： ≈5h
Frequency range：2403MHz-2477MHz
Delay time：24ms
Transmitting power：+2 dBm
Wireless working range: 10m
Receiving sensibility：-85dBm
Drive size：Ф40mm
Drive impedance ：32Ω
Frequency range: 20～20KHz
Microphone size :6*2.7mm
Microphone sensibility: -58dB
Microphone direction:
Microphone frequency response: 100Hz-8KHz
FCC Warning Statement
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
This device 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 device
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 device does cause harmful interference to radio or television reception, which can be
determined by turning the device 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 device and receiver.
--Connect the device into an outlet on a circuit different from that to which the receiver is