The ATR3350XiS Omnidirectional Condenser Lavalier Microphone for Smartphones from Audio-Technica features a low-profile design engineered for accurate voice reproduction. It terminates in a 3.5mm dual-mono connector, and thanks to the included smartphone adapter, it can be used with iPhones, Android devices, and other smartphones. The ATR3350XiS can be used for both video and aerobics/dance/sport instructor applications. A tie clip, foam windscreen, and battery are included. Newscaster-style miniature mic for video use as well as aerobic, dance, or sport instructors Dual-mono 3.5mm output plug connects to a video camera, DSLR, or handheld audio recorder's stereo 3.5mm input to record audio on both left and right channels Omnidirectional polar pattern offers full coverage. Audio-Technica ATR3350XIS Specs Microphone Form Factor Lavalier Sound Field Mono Capsule Condenser Polar Pattern Omnidirectional Circuitry Solid-State High-Pass Filter Yes On-Board Controls None Windscreen Foam (Included) Performance Frequency Range 50 Hz to 18 kHz Impedance Omnidirectional: 1000 Ohms Sensitivity Omnidirectional: -54 dB (Battery Power) Connectivity Output Connectors (Analog) 1 x 1/8" / 3.5 mm TRRS (on Attached Cable) Cable Length 20' / 6.10 m (Straight) Power Operating Voltage Not Specified by Manufacturer Battery Type 1 x 1.5 V Button Physical Mounting Lapel Pin / Dracula Mount Weight 0.21 oz / 6 g (Microphone) Packaging Info Package Weight 0.29 lb Box Dimensions (LxWxH) 6.95 x 4.7 x 2.95"