Product introduction: Bluetooth Pro Sports Running Luminous Earphones Headphones,HIFI Stereo Wireless with Mic bicycle Headset,Multi-point Handsfree 1. Brand: Zealot 2. Name: Sports Bluetooth music headset 3. No: H1 4. Style: Neckband 5. Location: like sport running and enjoy music 6. Comfortable wearing: super light, neckband style, easy to use when sports 7. The Mic 8. One for two device Technical specification: 1. Bluetooth ver: 4.0 2. Bluetooth use range: 10m 3. talk time: 8h 4. music time: 8h 5. Driver Diameter: 10mm 6. Frequency range: 20-20khz 7. Sensitivity: 85db +/- 3dB 8. Impedance: 20Mw 9. Mic: Yes 10. CVC 6.0 noise reduction 11. Sensitivity: -38db +/- 3dB 12. Color: Black, White 13. Content: 1x headphone Package Included: 1 x Zealot H1 Bluetooth Stereo Headphone 1 x Micro USB Charging Cable 4 x Earbuds (Random Color) 1 x User Manual