Motorcycle Sunglasses For Gonbes K3-P With Headphones Bluetooth FunctionDescription1. Bluetooth call after phone connection、 you can call、 music、 navigation、 listening to the radio. Bluetooth version 4.1、 and effective range of Bluetooth devices is linked up to 15M、 using high-quality Bluetooth chip、 providing excellent sound quality、 allowing users to hear a clear voice in a noisy environment、 make sure the music and call clarity2. The voice control in the use of KA-3、 the open voice control and make a call via voice、 text messaging、 music、 set the alarm、 data query and other functions3. mono headset、 to meet the needs of different scenarios、 ultra-thin diaphragm、 improve sound clarity、 excellent sound qualityDSP audio processing technology to reduce the effects of the stethoscope、 ear high-fidelity earplugs、 wide frequency response、 strong resolution、 surround sound audio clarity4. resist glare、 TAC polarized lenses、 seven composite materials、 effectively prevent ultraviolet light、 reduce glare、 filter stray light、 no glare、 improve visual clarity、 explosion-proof lenses、 high impact resistance、 anti-sand windshield5. fashion frames、 complex ergonomic design、 wearing a perfect fit、 the whole weight of only 24g、 suitable for long wear without fatigue、 no sense of weightSpecificationModel: K3Transmission distance: 10m-15mBluetooth Specification: V4.1 + EDRMusic Time: 4-5 hoursFrequency range: 2.402 ~ 2.480GHZTalk time: 4 hoursTransmission power: class 2Charging voltage; USB DC5VTransmission level; lossless transmissionCharging time: 1 hourBluetooth profiles: Headset、 A2DP、 AVRCPNet weight: 24gPackage Included1 X Motorcycle Sunglasses