ELECOM Headset Microphone 4 Pole Binaural Neckband Durable Cord 1.8m HS-NB05TSV

Compatible models: Smartphones, tablets, and notebook PCs that support a 3.5 mm diameter 4-pole mini plug. Cable length: 1.8m External dimensions: width 133'depth 50'height 164mm (cable not included) Weight: 75g (excluding cable) Attachment method: Neck butt type Headphone/speaker method: Dynamic type (stereo) Headphone driver unit: 30mm Headphones/Maximum allowable input: 30mW Microphone-mic method: electret condenser method Input sensitivity: -58dB±3dB