Features:
1. 2.4G wireless technology, the transmission distance is up to 30m,  no directional restrictions;
2. The transmitter has a built-in lithium polymer battery. It can be used for more than 10 hours for all day use after fully charged.
3. With professional ID code encryption transmission technology, each product only has one independent ID code, no worry about interference;
4. The transmitter uses the Micro USB universal interface, which is easy to charge. It is also equipped with metal collar clip and belt clip, convenient for multi-purpose use; what's more,it is equipped with a adatper with which you can use the phone;
5. Applicable situations: interview, recording, stage, home, KTV, musical instruments, conference, computer, radio and television;

Product specifications:
Model: XXD-G18L
Microphone type: capacitive
Pairing: automatic pairing
Sampling frequency: 16KS/s
RF power: 10dBm
Carrier frequency: 2400-2483MHz
Modulation mode: GFSK
Voltage: DC3.5-5.5V
Product color: Black
Size: 85 X 25 X 10mm/3.35 X 0.98 X 0.39"
Net weight: about 34g
Gross weight: about 132g

Transmitter specifications:
Audio signal: 16 bit, 44 KHz
Pairing method: Automatically
Frequency range: 20-20KHZ
Transmittion method: bidirectional 2.4 GHz frequency hopping
Power source: built in lithium battery
Power consumption current: 0dBm ＜ 50 mA
Working distance: ＜ 30 meters (barrier free)

Receiver specifications:
Audio signal: 16 bit, 44 kHz
Pairing method: Automatcially
Frequency range: 20-20KHZ
Transmittion method: 2.4 GHz
Power source: built in lithium battery
Power consumption current: 0dbM ＜ 50 mA
Working distance: ＜ 30 meters (barrier free)