明友起重
MingYou Crane HandlingRGB Light, With vibration. Speaker size: Φ40mm, Speaker impedance: 32Ω Speaker frequency response:20Hz-20kHz Speaker sensitivity(SPL): 105dB ±3dB Patent Design. With vibration. C-media Chip Mic dimensions: Φ6.0x3.0mm Mic directivity: Omnidirectional Mic impedance: ≤2.2kΩ With CE/ FCC certificated Waterproof IP57 Micphone With Volume Control Connectors: USB plug Cord length: ≥2.2 meters MOQ:3000