Lanyinda Electronic Technology (HK) Ltd.

* professional silent disco wireless headphones with 433mhz/863mhz/915mhz ism band, specific channels optional * transmits audio signal about 300m, through walls, floors and ceilings. * active noise reduction system for crystal clear sound * advanced 40mm speaker for outstanding sound performance * double pll system for ultimate frequency stability * auto mute and automatic shut-off after 10 minutes of no signal detection, conserve battery life * funky flashlights gently pulse on as you pump the tunes up * big channel-indicating logo light, you can see the channel difference by logo color * soft leatherette ear cushions, and robust headband let you listen to your entertainment in Extreme comfort, even during long hours of extended wear * endless headphones can be used simultaneously with one transmitter * multiple colors available for option 20pcs=1carton carton size:47.5*34.5*46.5cm

Promotional Wireless Earphones High quality and great design. Size: 160 x 180 x 80 mm Available Color : Black/Shiny silver Earphone Printing Options : UV Printing Screen Printing

5 in 1 wireless headphone Fm radio Wireless chat or wired headphone Monitor High sensitivity, interference resistance , strong singal, hi-fi for beautiful sound 10 m effective range Specifications: Transmitter: 1) transmission frequency: 86mhz 2) modulation mode: fm 3) transmission distance : up to 35 meters without interference Receiver (headphone) 1) frequency range: 84 ¿c 108mhz 2) reception mode: fm 3) distortion: ín 2% 4) power supply : 2^ aaa batteries( product color in silver, purple, red , black, green etc) According to your requirements

Microphone: 6x5/54 3db Frequence response: 20-20000hz Sensitivity: 102db Lmpedance: 32/hz Puissance maximum lnput: 300mw Jack(mm): ¦3.5mmstereo Loudhailer: 40mm Cordless infrared headphone system Up to 50 meters reception range which is according to the surrounding and barriers between the transmitter and the headphone. Transmitter of stereo effect, multi connectors(headphones) are available. Three options for transmitting frequency in order to avoid noise. Av adapting wire, workable to those without headphone jack. Portable and fashion type Blister

4 in 1 high frequence wireless headphone 1. The transmitter transmit stereo signal in 86 mhz to wireless headphone in the scope of 20 meters with interference free. 2. While the single headphone operating, it becomes fm radio receiver between 83.5-108mhz. 3. Connect headphone to computer with attached cable as for net icq purpose. 4. Inspecting the voice around transmitter in scope of 5 meter to receiver as an inspector.