What's in the box:

Mini Portable Wired Electret Condenser Lapel Lavalier Clip-on Musical Instrument Mic Microphone for Guitar Sax Trumpet Violin Piano

Features:
Condenser mic, high sensitivity, makes loud and clear sound.
360rotary clip, easily to clip it on your instruments.
5m audio cable for long distance use.
6.35mm jack for connecting amplifier,mixer,sound card.
With a foam cap to reduce wind interference and other noise.

Specifications:
Type: Condenser mic
Sensitivity: -48dB +/-3dB
Output impedance: 6.8k ohm
Signal/Noise: >=55dB
Max.SPL: 110dB
Plug socket: 3.5mm to 6.35mm
Cable length: Approx. 5m / 16ft
Item weight: 114g / 4oz
Package size: 17 * 9.5 * 4.5cm / 6.7 * 3.7 * 1.8in
Package weight: 219g / 7.7oz

Note:
The 3.5mm jack can't connect external devices directly, the connection should through the 6.35mm jack adaptor.
The 6.35mm jack adaptor is powered by 1.5V AA battery, the battery is not included.

Package List:
1 * Clip-on mic
1 * 3.5mm to 6.35mm jack adaptor