Model: 422 with USB adaptor
   Uses: wireless headphones, voice headsets.
   Bluetooth version: V5.0.
   Bluetooth mode support: A2DP 1.2, AVRCP 1.0, HSP, HSF 1.5.
   Frequency: 2.402-2.480GHZ, 2.4G ISM band.
   RF performance: receiver sensitivity: -84dBm; transmit power up to 4dBm.
   Frequency response: 20 Hz-20 KHz.
   Signal to noise ratio (SNR): 70Db.
   Total harmonic distortion rate (THD) 0.1%.
   Power indicator: Red and blue indicators flash alternately.
   Headphone charging: rechargeable 400MAH lithium battery.
   Charging port: USB charging interface.
   Normal charging time: 1-2 hours.
   Talk time: up to10-12hours.
   Standby time: up to 15 days.
   Working temperature: -20 ° C -55 ° C.
   Other features: support status indicator, charging indicator display.
   Color: red, black,white,Blue RedA with bluetooth adaptor for watch TV

   1 * wireless earphone
   1 * USB charge cable
   2 * 3.5mm audio cable
   1 * User Manual 
   1 * Bluetooth adaptor

       1.Because the packing size and other reasons, the shipping cost is not very accuracy, if you need other shipping ( DHL/UPS/FedEx/ARAMEX/TNT...)
          please contact us,we will give you best price, thank you
       2. Please allow 1-5mm error due to manual measurement, make sure you do not mind before you bid.
       3.Because each display or light will have a certain color difference, this is difficult for sellers to achieve no color difference, so please understand before
          placing the order, the color difference is not within the scope of quality problems. thank you! 

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