CP-7 TWS Wireless Earphone Sport Earbuds Stereo Bass Handsfree Binaural bluetooth 5.0 Earphone Headphones

Spcification Color white blackMaterial ABSPerformance TWS bluetooth HeadsetApplicable models uitable for all mobile phones and smart devices with bluetooth chip RELTEK RTL Jerry 6916bluetooth version 5 0Wearing method In earFunctional use sports car business listeningChannel system stereoVoice prompt adjustable in Chinese and English adjustment mode long press for 8 seconds Working frequency 2 402 2 480GHzSupport Protocol HSP HFP A2DP AVRCPTransmission distance 10 metersTransmission power Class 2Audio signal to noise ratio 98dBResponse frequency 20 20000HzCharging input standard DC 5V 0 5 1AListening to the song time about 3hStandby time about 100 hoursCall time about 3hEarphones Battery 3 7V lithium battery 55mAh model 501215Charging box Battery 3 7V lithium battery 450mAh model 502535Charging time earphone 30 minutes charging box 1 2 hoursEarphone size length width height 2 5X2 2X1 7CM Charging box size length width height 4 4X3 3X5 8CM Horn diameter 8mmSpeaker frequency response range 20 20KHzSpeaker impedance 16 ohmSpeaker sensitivity 94db 3dbRated power 10 mWMicrophone silicon microphone 4026Microphone frequency response range 100Hz8000HzWheat wind sensitivity 42db 3dbPacking list 2 x Wireless sports headphones 1 x Charging box 1 x Usb cable 4 x Earbuds caps 1 x User manual