Item Type: Professional Smartphone Vlog Shooting Kits Weight: Approx.305g / 10.8oz Material: ABS Phone Clip Width: Approx.6-10cm / 2.4-3.9in Applicable Models: Mobile Phones With Width Of 6-10cm Fill Light: Dimming Mode: Stepless Dimming Number Of Beads: 64pcs Battery: 2500mAh Lithium Battery (Delivered With Built In Battery) Color Rendering Index: CRI 95+ Angle Of Iight: 180?? Power: 3.2W Working Voltage: 21V Charging: Type-C Microphone: Unidirectional Feature: Single Pointing x 1 Access Mode: 3.5mm / 0.1in Microphone Jack Socket, Earphone Plug Into The Access End Power Supply: External Power Supply Frequency Response: 100-16000Hz Sensitivity: -42?��3dB RL=680|? Vs 1.5 (1KHz 0dB=1V/Pa)Output Impedance: 1-2.2K|? Consumption Current: Maximum.0.5mA Voltage: 1-10V Maximum Sound Pressure: 110dB S.P.L Sensitivity Reduction: 2.0V-1.5V Sensitivity Change Is Less Than 3dB