Model No.: GH-757 Product Origin: China Brand Name: OEM Other Price Terms: EXW, FOB Shenzhen Payment Terms: T/T in advance Supply Ability: 35,000pcs/month Minimum Order: 3,000pcs Delivery Lead Time: 25 days VHF Wireless Headphone View Larger Picture Detailed Product Description Features: 1) 3 channels selectable for transmitter 2) Auto power on/off for transmitter 3) VHF/RF wireless headphone 4) The headphone can be used as a hi-fi stereo wired headphone 5) Talk on internet with wireless headphone 6) Talk on internet with wired stereo headphone 7) Dynamic display of audio level for transmitter Specifications: 1) System: VHF/RF 2) Modulation: frequency modulation (FM) 3) Audio mode: mono 4) Transmit power: 10mW 5) Operation distance: >50 meters (360? 6) Input audio level: =150mV 7) S/N ratio: >60dB 8) Distortion: <2%THD 9) Frequency response: 30 ~ 20,000Hz Inner packing: Dimensions: 22.8 x 26.5 x 9.7cm Outer packing: 20pcs/ctn Carton dimensions: 50.0 x 50.5 x 47.0cm