Specifications: Receiver: Carrier Frequency: 2.4G Modulation: FM Maximum Frequency offset: ± 45KHZ Frequency Response: 50HZ-15KHZ Signal to Noise Ratio (S): 100dB (A) Distortion: (1KHZ)Less than 0.3% Working Temperature: -10 ° C~55 ° C Working Distance: Approximately 50m/164ft (in an open area) Sensitivity: 5dBUV Audio Output Level: Unbalanced output (1/4OUTPUT) 800MV/3K Ω Battery: 350mAh Lithium battery Working Voltage: 3.7V Working Current: Approximately 30mA Audio Output Method: XLR male (can be externally connected to 6.35) Transmission: RF Power Output: Approximately 10MW Transmission Frequency Stability: Less than 30PPm Transmission Carrier Frequency: 2.4G Dynamic Range: ≥ 100dB (A) Frequency Response: 50HZ-15KHZ Maximum Input Sound Pressure: 130dBSPL Audio Output Method: XLR female head (can be externally connected to 6.35) Simplified Pickup Head: Dynamic coil type Microphone Directionality: Heart shaped finger questioning Working Voltage: 3.7V Working Current: Approximately 30mA Battery: Lithium battery (3.7V/350mAh) Material: ABS Color: As shown Note: Due to the different display screen and light effect, the actual color of the item might be slightly different from the color showed on the pictures. Package Contents: 1 x Transmitter 1 x Receiver 2 x Transfer Plug 1 x Charging Cable Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.