Feature: 1.RF stereo wireless headphone with 915MHz ISM Band 2.Operate distance up to 500 meters 3.Several headphones can be used simultaneously with one transmitter 4.Active noise reduction system for audiophile sound quality 5.Double PLL system for ultimate frequency stability 6.Enjoy stereo music wirelessly any time and any where 7.Suitable for any kinds of audio device with 3.5mm jack, like CD/DVD/TV/PC etc 8.Automatically mute for headphone and auto power off if no signal is received about 10 minutes 9. Led Flashing Light will sparkling along with rhythm of music Specifications: 1.System: UHF/RF 2.Modulation: FM Mode: stereo 3.S/N ratio: ≥75dB 4.Channel separation: >35dB 5.Distortion: <1% 6.Frequency response: 30 - 20,000Hz 7.Power supply of headphone: 600mha 8.Power supply of transmitter:420mha Package: 1) 10 x LED headphones 2) 1 x transmitters 3) 1 x professional transmitter adapters(US/EU Standard) 4) 1 x 3.5mm audio cables 5) 1 x RCA cables Pulsing LED lights--Flood your Silent Disco in a sea of colour with our LED headphone pulsing lights that flash to the beat of the music - by far the most stylish Silent Disco Headphones on the market. 3 Channels of audio--Cater for all your guests tastes by playing up to 3 different audio streams; set DJ’s against each other, play music for all generations and allow your guests to choose which tunes they love the most.several headphones work with 1 transmitter no matter in conference or film or any other where Automatically switch off after 10 minutes of not receiving any broadcasted audio which saves their batteries and makes it quick to pack away at the end of your event Phase-lock loop technology--Phase-lock loop technology prevents signal loss over longer distances or in unusual environments. Auxiliary socket--When not at a Silent Disco, you can use a 3.5mm Jack Cable to connect our headphone to your phone and use it as a standard pair of headphones. You can also connect a set of headphones to a speaker so staff working at an event can hear the music being played. UPC 642380551873 Color Black Impedance 32 Ohms Brand Name JYSiptkird Model Name SSRF-09-09 Style Name Parties,Weddings,Meetings,Clubbings and so on Unit Count 10.0 Count Item Weight 3 Kilograms Control Type Volume Control Manufacturer 642380551767 Model Number SSRF-09-09 BuiltIn Media Cable Noise Control None Cable Features Tangle Free Earpiece Shape over-ear Headphone Jack 3.5 mm Jack Frequency Range 30 - 20,000Hz Number of Items 1 Audio Driver Type Dynamic Driver Compatible Devices Almost all equipment that have Audio jack or RCA jack Enclosure Material Plastic Frequency Response 20 KHz Additional Features Fast Charging Wireless Technology RF Battery Average Life 10 Hours Warranty Description 12months for repair since from shipping date Age Range Description Adult ,kid Connectivity Technology Wireless Headphones Ear Placement Open Ear Specific Uses For Product Entertainment Headphone Folding Features On Ear