EARN0945 Neck Band Sports 2.4G Wireless Headphone!!!

Brand Name: Wireless Tech Model Number: EARN0945 Style: Neckband Communication: Wireless Connectors: wireless Use: Portable Media Player Function: Noise Cancelling Place of Origin: Guangdong China (Mainland) Earphone type: 2.4G wireless headphone Color: Black System mode: stereo UHF/RF Frequency response: 60-12,000Hz working voltage: 3.7 VDC / 420mA Charging time: 3 hours / 5V Headphone power supply: 420mA lithium battery (built in) Working: 7 hours Used area: Computers and laptops Operation distance: 10-20meters Packaging & Delivery Packaging Detail: PE bag /case...as your demand Delivery Detail: 3-10days Specifications Wireless headphone 1.Frequency response:60-12,000Hz 2.sensitivity:>60dB 3.Distortion:>3% Certs:CE/ISO/ROHS Frequency responseEARN0945 neck band sports 2.4G wireless headphone!! Description: NO BATTERIES  REQUIRED wireless headphone with lithium battery insideUp to 7 hrs of play timeMultiple users2 CHANNELS,Enables users to have 2 audio sources playing at one time By using EARN0945 neck band sports 2.4G wireless headphoneStereo soundRechargeable UHF FM transmitters2 channelsMultiple earphones can be used at one timeUsage and function :Watching TV/moviesPlaying console games with one or multiple playersComputers and laptops wireless heaadphone Listening to music, dance parties, silent discoSPECIFICATIONS: System mode:stereo UHF/RFCarrier frequency: 863/865Mhz OR 915/917MhzModulations: double PLL systemTransmit power:8dBmOperation distance:30-50m (clearing)Separation:>50dBmDistortion:>3%Frequency response:60-12,000Hz wireless headphone parameters : working voltage:3.7 VDC / 420mAworking current: 40mA / 2.5Vcharging time:3 hours / 5Vplayback time:7 hoursAudio output amplitude:550Vp-p (180mA)S/N ratio:>60dBHeadphone power supply:420mA lithium battery (built in) Pictures:  2.4G wireless headphoneFree music ,no cable stumble!!!  neckband sports wireless headphonewireless 2.4G headphone ,enjoy your sports