Saramonic Blink 500 ProX B2 Wireless Microphone

Display: OLED Transmission Type: 2.4GHz Digital Frequency Modulation: Digital Modulation Polar Pattern: Omnidirectional Antenna: Built-in FPC Antenna Operating Range(Without Obstacles): >328?(100m) RF Output Power: <10mW Distortion: ?0.1% Frequency Response: 20Hz-20KHz Reference Audio Input Level: -20~-42dBu(MIC Input,0dB Gain) Signal-to-Noise Ratio: >84dB Audio Input Connector: 3.5mm MIC IN/LINE IN Audio Output Connector: 3.5mm Headphone Jack(Compatible with TRS/TRRS)3.5mm TRS Output Jack Battery Specifications: 3.7V/400mAh Power Requirements: Built-in Li-ion Battery or Charging Contact or USB-C DC 5V Built-in Battery Life: Approx.10 hours Weight: TX:Approx. 1.04oz(29.5g) RX:Approx. 1.08oz(30.5g) Dimensions: 2.20*1.49*0.61”(56*38*15.5mm) Operating Temperature: 0? to 50? Storage Temperature: -10? to 50?Power Requirements: USB-C Port Power Capacity: 3000mAh Box’s Charging Time: <3 hours Charge Cycle Times for TX & RX: 2 times Weight: 9.31oz(264g) Dimensions: 6.49*3.91*1.51”(165*99.5*38.5mm) Operating Temperature: 0? to 50? Storage Temperature: -10? to 50?