2.4G;
(CX)
:/8
<3%
<25%
<50%
<75%
75%~100%
Type-C RX TX RX TXTXRX
*RX2-3
:155 RX
*Type-COTG 2.4GHz GFSK,Pi/4DQPSK,8DPSK 50Hz-18kHz
:6g
:8g TX/RX1 5V/500mA TX2 10dBm 65dB(A)
-10C+45C 0C+45C
:47x16x8mm
:40x18x11mm 1;
2 3 4:
Name of the parts
(PB) X X X
(HG) O O O
(CD) O O O
(Cr6+)
(PBBs)
(PBDEs) O O O O O O O O O 0:SJ/T11364-2014;
X:SJ/T11364-2014;
1:
2:(Envi ronmentalProtectionUse Perird)
:V1.0-2026-3
(RX) TX1 TX2
(TX)
2/
Quick Start Guide Preface Quick Start Guide Battery Level Indicator Light Quick Start Guide VI. Precautions Thank you for choosing the wireless microphone product manufactured by our company. This product uses 2.4G band adaptive frequency hopping communication and innovative digital wireless low-latency technology to provide high-quality audio and a highly stable wireless connection. It can be widely used in interview recording, short video recording, live streaming, teaching and training, and other wireless audio transmission applications. I. Receiver (RX) Function Description low battery ashing 3%
Level 1 battery25%
Level 2battery50%
Level 3 battery75%
Level 4 battery 75% ~100%
TX1 connection indicator TX2 connection indicator Volume level indicator Volume control button II. Transmitter (TX) Function Description Power/Connection indicator Noise reduction indicator Charging input Charging Status Description: When connected for charging, the corresponding level indicator light slowly ashes When the set battery level is reached, that indicator light stays on and automatically jumps to the next indicator light. When all four indicator lights are steadily on, it indicates that the case is fully charged. IV. Installation and Use RX Receiver Smartphone TX Transmitter Magnetic back clip Connect the RX to the smartphone Power on the TX. When the connection indicator lights on both TX and RX stay on, the device is ready for use Press and hold for 2 seconds to power on/o Single press to toggle noise reduction on/o Indicator Light Name Function Charging contacts Type-C Port Description of Indicator Light Status Product Instruction Manual Power/Connection Indicator Connected Disconnected Low Battery Charging Status Blue light stays on Blue light ashing slowly Disconnected: Red light ashing slowly Connected: Red light stays on Wired Charging: Red light steady on (charging);
Blue light steady on (full charged) Case Charging: Red light on for 15 seconds then o;
Blue light on for 5 minutes then o when fully charged Smartphone can be charged through RX, achieving simultaneous charging
*For some cell phone with Type-C socket, you need to turn on the OTG function in the phone setting section V. Technical Specications Wireless Frequency Band 2.4GHz Transmission Power 10dBm Modulation Method GFSK,Pi/4DQPSK,8DPSK Signal-to-Noise Ratio 65dB(A) Frequency Response 50Hz-18kHz Operating Temperature
-10C to +45C Polar Pattern Omnidirectional Charging Temperature 0C to 45C Noise Reduction Indicator Noise Reduction Blue light stays on III. Charging Case (CX) Function Description Unit Weight Receiver: Approx. 6g Transmitter:Approx. 8g Dimensions Receiver: 47168mm Transmitter: 401811mm Built-in Battery Polymer lithium battery Power Saving Mode Automatic shutdown after 1 minute without connection between TX and RX Hall Switch: Open/close the lid to activate the charging case, the indicator lights show the current battery level, and turn o after about 8 second Charging Input 5V/500mA Charging Case Capacity When fully charged, it can charge the TX 2 times Please read this manual carefully before using the product and keep it in a safe place for future reference 1.This product is a precision electronic device. Avoid exposure to water or heavy impact. If it accidentally comes into contact with water, turn it o, shake o excess moisture, and promptly contact technical personnel for assistance. 2.If the product will not be used for an extended period, fully charge the battery once every three months to maintain battery performance. 3.Do not expose the built-in battery to direct sunlight, open ames, or similar high-temperature environments. 4.To avoid signal dropout, try to keep the transmitter and receiver facing each other during use
(as shown in the diagram on the right):
O: Indicates that the content of the toxic or hazardous substance in all homogeneous materials of the part is below the limit requirement specied in the SJ/T11364-2014 standard. X: Indicates that the content of the toxic or hazardous substance in at least one homogeneous material of the part exceeds the limit requirement specied in the SJ/T11364-2014 standard. Note 1: Most components of this product are manufactured with non-toxic and environmentally friendly materials. Components containing toxic or hazardous substances are used due to current global development limitations, which make it impossible to replace such substances or elements. Note 2: The reference standard for the Environmental Protection Use Period is based on conditions such as normal operating temperature and humidity. The Environmental Protection Use Period (EFUP) refers to a period of ten years from the date of manufacture. During this period, under normal use conditions, the hazardous substances contained in electronic information products will not cause serious environmental pollution or result in severe harm to personal or property. FCC Statement 15.105 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 o 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 dierent from that to which the receiver is connected. Consult the dealer or an experienced radio/TV technician for help. FCC Radiation Exposure Statement This device complies with FCC radiation exposure limits set forth for an uncontrolled environment and it also complies with Part 15 of the FCC RF Rules. This equipment must not be co-located or operating in conjunction with any other antenna or transmitter. End-users and installers must be provided with antenna installation instructions and consider removing the no-collocation statement. 15.19 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. 15.21 / KDB784748 D01 v08 (P4) Caution!
Any changes or modications not expressly approved by the party responsible for compliance could void the user's authority to operate the equipment. he images used in this manual are for illustrative purposes only. For the actual appearance and color, please refer to the actual product. Our company reserves the right to improve the product and related documentation Product Certicate This product has been inspected and meets quality standards, and is approved for release. without prior notice. Inspector:
Version: V1.0-2026-3
