•Supports one-key for noise reduction,48kHz high-definition sound quality •20-20,000Hz frequency response range,high-quality reproduction of real sounds •Built-in rechargeable lithium battery,battery life up to 10 hours on a full charge •Can freely switch mono/stereo output mode •Rotating buckle-type windproof fur cover,firmly installed and not easy to fall off •The receiver comes with a buckle for easy replacement of the adapter •3.5mm TRS analog output & USB-C,iOS digital output are widely compatible with cameras,mobile phones,computers,etc Specification: •Receiver and Receiver: •Transmission method: 2.4GHz digital band •Signal modulation: digital modulation •Polar mode: omnidirectional •Antenna: ceramic antenna •Operating distance (without obstacles): 100 meters (measured in an open and interference-free environment according to FCC standards) •RF output power: •Distortion: •Frequency response: 20Hz-20kHz •Sampling rate: 48kHz •Bit rate: 16bit •Signal-to-noise ratio: >85dB •Sensitivity: -42dB •Audio input: Transmitter: Built-in microphone •Audio output: Receiver: 3.5mm TRS adapter/Type-C adapter/MFi certified iP adapter •Battery: Transmitter: 3.7V/95mAh,Receiver: 3.7V/120mAh •Power supply: built-in lithium battery power supply/charging case contact charging/Type-C charging hole •Working time: Transmitter: about 10 hours,Receiver: about 6 hours •Weight: transmitter: 12g,receiver: 15g (with terminal) •Size: Transmitter: 59x16.2x13mm,Receiver: 59x18.2x13.3mm •Working temperature: 0℃~50℃ •Storage temperature: -10℃~50℃ •Charging Case: •Battery capacity: 1000mAh •Charging time: 1.5 hours •Charging interface: Type-C interface •Number of times available for charging: supports 2xtransmitter+1xreceiver charging 2 times •Weight: 99g •Size: 112x73x33mm Package included: •2 x Transmitter •1 x Receiver •1 x USB-A to Type-C Charging Cable •1 x MFi iP Adapter •1 x 3.5mm TRS Adapter •1 x Type-C Adapter •2 x Windproof Furry Cover •1x Charging Case •1x Storage Bag •1x English User Manual •Other things not included