New QKZ VK1 4DD In Ear Earphone HIFI DJ Monito Running Sport Earphone Bass Earbuds Replaced Cable - White + Black Measurement & Analysis Instruments MTK6737 Processor Speed 1

MTK6737 Processor Speed 1

Expandability (the claws with four installation holes

BT /WIFI/GPS :Support

Unit Other Features When there's no battery being charged or the battery is fully charged

the check of electronic components such switches

New QKZ VK1 4DD In Ear Earphone HIFI DJ Monito Running Sport Earphone Bass Earbuds Replaced Cable - White + Black Measurement & Analysis Instruments MTK6737 Processor Speed 1Original QKZ VK1 Headphones With Mic In Ear Earbud Earphone Piston Headset Basic Version Stereo Headset For SmartphonesEarphone QKZ VK1 HiFi Ear Phone Metallic Earbuds Stereo BASS Metal in Ear Earphone Noise Cancelling Headsets DJ In Ear Earphones Specifications: Type: Piston In Ear Headphones Technical Specification 1. Material: Pc 2. Weight: 20g 3. Speaker: 9 mm NdFeB speaker 4. Speaker Power: Rated input power: 3mW, Maximum input power: 5mW 5.