Product DetailsBluetooth Headphones with High Fidelity Sound and Voice Prompt    Key Specifications/Special Features:Product features:Bluetooth Version4.1Bluetooth protocolHSP,HFP,A2DP and AVRCPSupportSBC , MPS decoder and APT-XTalking / Playing time6 hours/ 5 hoursStandby time250 hoursCharging time2hoursTransmission distanceAbout 10 metersWeight11.8gImpedance16 ohmFrequency response20-20kHzLoudspeaker size8mmSensitivity100 /-3dbCharging input5V/200mACertificationsBQB, CE, RoHS, REACH,FCCOEM/ODMYesPatentHave patentBluetooth Headphones with High Fidelity Sound and Voice Prompt PicturePrimary Competitive Advantages: Bluetooth Headphones with High Fidelity Sound and Voice Prompt Green ProductInternational ApprovalsQuality ApprovalsSmall Orders AcceptedMain Export Markets: Bluetooth Headphones with High Fidelity Sound and Voice Prompt AustralasiaCentral/South AmericaEastern EuropeNorth AmericaWestern EuropeBluetooth Headphones with High Fidelity Sound and Voice PromptRecommendations: Ear Hook Earphones for Handsfree Ergonomic Bluetooth Earbuds                                  In-ear Sports Mono Earphones Hifi Ergonomic Bluetooth Earbuds                                  Mini Anti-radiation Bluetooth Headsets Ergonomic Bluetooth Earpieces                                  Mini Handsfree Bluetooth Headsets Hifi Bluetooth Earphones