S9 Wireless Bluetooth 5.0 Single Earbuds Stereo Mini In-ear Sport Earphone Headphone With Portable Charging Box

Product Lists 1 x bluetooth Earbud1 x USB Charging Cable1 x Power Charging CaseFeatures 1 Fit bluetooth 5 0 technology The most state of the art bluetooth 5 0 tech allows a stable connection up to 700 inches 2 Auto pairing take out the automatic power on connection memory connection no need for cumbersome operation 3 CVC noise reduction technology and HiFi quality improve the recognition level of voice and can easily communicate even in noisy environment Make the call clearer and more real 4 Portable charging box With 380mAh portable charging box which can power your earphone for 8 times The headphones can be continuously listened to music for about 5 hours when the headphones are fully charged 5 Mini stealth earphone lightweight and the ergonomic design brings you comfortable and cozy wearing experience 6 Waterproof design The nano coating has multiple protections to prevent sweat from damaging the components and can run in the light rain Specifications Wearing Type In earMicrophone Yesbluetooth Version V5 0Transmission Distance 15 20mSupply voltage low power 3 3V 4 2VSupport protocols A2DP HSP AVRCP and HFPOperating current 1111thHolding current 1 3mAShutdown current 2uATemperature range 40C 80CTransmission power CLASS2Sensitivity 90dBmFrequency range 2 4 2 480 GHZAudio Performance supports high quality audio built in DSPAudio noise signal ratio 75dBDistortion 1 Battery Capacity 380mAh Charger Box 45mAh Each Earphone