NC3 ANC ENC TWS Bluetooth Earphone
Product Information
The NC3 is a TWS Bluetooth earphone that comes with ANC+ENC
technology. It is compliant with Bluetooth V5.3+BR+EDR+BLE
specification, EDR audio product. The earphone uses AC7006F4 as its
main chip, which includes power and charge unit, I/O unit,
Bluetooth 5.3 RF unit, audio, key, Led, SPK1, SPK2, Crystal
Oscillation, and Dual Mic unit. The earphone uses two LEDs to
indicate its working state.
Product Usage Instructions
- Long press the power key for 3 seconds (Figure 1).
- The LED blue light and red light will flash alternately (Figure
2), indicating that the device is in searchable and pairing
state. - Turn on Bluetooth on your smartphone and search for Bluetooth
devices. Click on NC3 on the screen (Figure 3). - The LED red light and blue light will go out, indicating that
the device is paired and ready to use (Figure 4).
FCC Statement
The device has been evaluated to meet general RF exposure
requirement. The device can be used in portable exposure condition
without restriction.
NC3 circuit Description NC3 is an ANC+ENC TWS Bluetooth earphone,Compliant with Bluetooth V5.3+BR+EDR+BLE specification,EDR audio product. The earphone uses AC7006F4 as its main chip.The chip contain:power and charge unit,I/O uint,bluertooth 5.3 RF uint,audio,key,Led,SPK1,SPK2,Crystal OscillationDual mic uintThe earphone uses two LEDs. Their state Indicates the earpone working state.
Long press power key for 3 secondsFigure 1
And the LED blue light red light flashing alternately Figure 2
equipment is searchable and pairing state.Turn on bluetooth in smartphone search bluetooth devices,click NC3 on the screenFigure 3
the LED red light blue light go out ,paired and ready to use. Figure 4
Human Body Mode ±4KV. StandardCompliant with Bluetooth V5.3+BR+EDR+BLE specification Meet class2 and class3 transmitting power RequirementSupport GFSK and DQPSK all packet types Provides maximum +10dbm transmitting power EDR receiver with minimum -94dBm sensitivity Fast AGC for enhanced dynamic range Supports a2dpavctpavdtpavrcphfpsppsmpattgap gattrfcommsdpl2cap profile a2dp 1.3.2avctp 1.4avdtp 1.3 avrcp 1.6.2 hfp 1.8 spp 1.2rfcomm 1.1pnp 1.3 hid 1.1.1sdp core5.3l2cap core 5.3 Operation Frequency: 2402MHz to 2483.5MHz Bluetooth receiving sensitivity: -94dBm@GFSK, -94dBm@/4 DQPSK, -94dBm@8DPSK modulation Antenna GAIN: 1.9dBi Temperature Range: -40 to +85
FCC Statement
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.
