This lavalier condenser microphone is convenient and practical, easy to carry, and can be used for most musical instruments. It is made with craftsmanship and has excellent sound pickup quality, which can provide you with clearer sound quality without distortion and is very practical. It can be used as a microphone and speakers, and will be your practical choice for stage performances. Features -Color: Black. -Material: Metal. -Size: About 13.50X2.50X2.50cm/5.31X0.98X0.98inch. -Battery capacity: 500MA. -Input voltage: 1.5v. -Adapter: AA battery (not included). - design, good conductivity, light and practical, and excellent texture. -The excellent production technology makes it have the characteristics of no noise and no whistling, which can provide you with a comfortable experience. -Lavalier design is easy to wear and easy to use, freeing your hands. -The signal of the microphone is stable, very practical, and can be easily applied to musical instruments. -Foldable and disassembled, easy to carry, professional and practical, and will bring you a good experience. Package list: 2 x Adapter 2 x Wire Microphone(10M) 2 x Windproof Cotton