Item Type: Microphone Material: ABS, metal Weight: Approx. 207g/7.30oz Operating Frequency: 2.3G-2.48G Transmit Power: <+4dBm Sampling Rate: 48K 16bit Delay Time: 26ms Signal to Noise Ratio: 62dB Distortion Rate <0.17% Microphone Type: Omnidirectional, condenser microphone Sensitivity: -38dB+2dB Frequency Response: 100Hz-18KHz Charging Current: 150mA Operating Current: 28mA Standby Current: <22uA Transmitter: 400mAh lithium battery (shipped with internal battery) Receiver: 300mAh lithium battery (shipped with internal battery) Ambient Temperature: -25C-80C Package List 1 x Transmitter 1 x Receiver 1 x Type C Headset Cable 1 x 3.5mm Phone Cable 1 x 3.5mm Camera Cable 1 x USB C Dual Head Cable 1 x Type C Shaped Hose Cable 1 x Mic Wind Muff 1 x Instruction Manual 1Noise Reduction: Professional DSP noise reduction chip and HiFi sound make the sound more three dimensional, let you be personally on the scene. 2Omni Directional Sound Reception: Omni directional radio microphone can be 360 degrees ultra clear recording with clear reproduction of the human voice and recording sound details. 3Bluetooth Accompany: This microphone supports cell phone Bluetooth wireless accompaniment, intelligent dodging and automatic volume reduction. 4Two Way Monitoring: Support two way monitoring, recording while listening, real time adjustment. Transmitter and receiver are with 3.5mm interface real time headphones, you can change the recording side adjustment. 5Automatic Pairing: This microphone supports 2.4G wireless technology automatic frequency pairing, plug and play, easy to operate, automatic pairing on startup. 6Small and Lightweight: The body is exquisite and compact, and it can easily lapel clip with a belt, with the visit does not take up space, can be any clip in the clothes to use easy to live. 7Large Capacity Battery: 10H ultra long life built in large capacity lithium battery is for long lasting and durable power to keep the sound constantly charged, recording all day without stopping.