Feature 360° radio 2 4GHz professional audio recordings 8 speed adjustable noise reduction function Monitor listen back synchronization Plug and play convenient to use Clip on design hands free using you can clip it to your collar tie or pocket With charging case easy to carry out Perfect for interviewers and other video recording lovers Specification Product name Lavalier MicrophoneModel I44646Color Black WhiteMicrophone Size 21x17x55mm 0 83 x0 67 x2 17 Charging Case Size 82x51x26mm 3 23 x2 01 x1 02 Material PlasticCharging Time 1 5HWorking Time 4HTransmission Distance 10 15MPackage Included 1 x Transmitter 1 x Charging Case1 x Receiver1 x Adapter2 x Sponge1 x USB Cable1 x Manual