Watch our Review on this product https://youtu.be/Z4zl4wbVr4U Voical Air 2 New Generation Palm Size wireless Microphone For more professional scenes One fo Two Sync operation together - 50M Transmission - High Sensitivity - High Reduction - Little to no interference - Simple operation - Stable signal Enjoy high quality hearing - High-frequency UHF wireless transmission, prfessional-grade multi-funtion wireless system - Suitable for those who wants low noise, high-frequency recording and working more stable - Stronger anti-interference ability compares with the low 2.4Ghz product in the market One cable multi-charge Save time, high efficiency 3 Type-C sockets charging cable, support to charge 3 devices together and fully charged with 1.5hours. Breakthrough tiny size Recording as lighter and convenience Tiny body. Powerful Small size, large capacity, safety built-in polymer battery Voical Air 2 Sensitive pickup, refuse noise and interference Compatible with Vairous Equipment Equipped audio headphone interface. Recording quality real-time adjust anytime. Perfect recording. Flexible with clip design, dual OLED display, output sound volume adjustable. Specifications: Size & Weight: 140 x 200 x 65mm ; 500g Electrical Equipment: Analog audio system Transmission Type: UHF Signal to noise ratio: >90dB Pick-up mode: omnidirectional Service distance: 50M Number of channels: 36 Frequency range: 570.15 - 606.15Mhz Battery capacity: 600mAh Charging power: 5V/1A Battery endurance: TX about 4 hours; RX about 4 hours Display: OLED screen