明友起重
MingYou Crane HandlingSpeaker size:Φ40mm Speaker impedance: 32Ω Speaker frequency response: 20Hz-20kHz Speaker sensitivity(SPL): 105dB ±3dB Mic dimensions: Ø6.0×3.0mm Mic directivity: Omnidirectional Mic impedance: ≤2.2kΩ Mic sensitivity: -36dB±3dB Patent Design. With vibration. C-media Chip With Adjusted Virbation Function With CE/ FCC certificated Waterproof IP57 Micphone With Volume Control Connectors: USB plug Cord length: ≥2.2 meters Net weight: 390g MOQ:3000