Buffalo One-ear earhook headset 4-pole & 3-pole plug

Compatible with a wide range of devices from smartphones to PCs, 4-pole model with 3-pole mini plug conversion adapter;Small and portable ear hook type;One ear type that can hear the surrounding sound;27mm driver unit with solid sound;RoHS standard value compliance;Compatible models: Windows PC, tablet, smartphone, PlayStation4, Mac with a 3.5mm 3-pole or 4-pole mini plug terminal;Headphone Driver unit: φ27mm, Frequency range: 20Hz20kHz, Impedance: 32Ω, Maximum input: 30mW, Maximum sound pressure: 109±3dB, Microphone Directivity: Omni-directional (omnidirectional), Frequency range: 100Hz10kHz, Impedance: 2.2k Ω, Sensitivity: -34dB±3dB, Connection method: 3.5mm 4-pole mini plug (CTIA standard compliant), Cable length: Approx. 1.8m;External dimensions (W x H x D): 70 x 132 x 25 mm, Mass: approx. 26 g (including cable, notation varies by lot), Package dimensions (W x H x D): 102 x 232 x 25 mm, Package mass: approx. 80 g, Operating environment: Temperature 5°C 40°C, Humidity 10% 80% (no condensation)