GO MIC MOBILE HH Q8 - wireless microphone Q8 - 2.4GHz 2.4 GHz digital wireless support Low sound transmission delay without problems with video synchronization Up to 20 hours of battery life using two AA batteries Up to 100 'operating range (line of sight) Samson Q8 Professional Dynamic Microphone capsule AGC (automatic gain control) and internal limitation Technical data: Range: 100 "(30 m) line of sight Operating frequency: 2.406 ~ 2.478 GHz Frequency response: 10Hz-22kHz Working temperature: -10 ~ + 50 ° C Microphone type: Dynamic, unidirectional Microphone capsule: Samson Q8 RF power: Power Requirements: Two AA Alkaline Batteries (LR6) Battery life: 20 hours