1. This B3505 wireless Stereo earphone with amazing sound, it is a good choice for paying attention songs, viewing flick, talking online, and so on
2. Provided with a 3.5 mm cord that you could use to attach the earphone to cordless devices.
3. Powered by the lithium battery (could be billed through USB).
4. Top quality and classy appearance; flexible size hinges and really comfy to use.
1. Variation: V4.1.
2. Procedure distance: 33feet.
3. Audio speaker size: 50mm Microphone unit: 4 * 1.5 mm.
4. Impedance: 32ohm.
5. S.P.L: 106dB S.P.L. at 1KHz.
6. Regularity response: 20HZ-20,000 HZ.
7. Battery: Built-in rechargeable 3.7 V/250mAh lithium-ion battery.
8. Billing time: Approx. 3 hours.
9. Working time: Approx. 8 hrs.
10. Standby time: 180 hrs.
11. Plug kind: 3.5 mm stereo.
12. Audio cord size: Approx. 120cm/ 3.94 ft.
13. Headphone size: Approx. 19 * 7.5 * 19.5 centimeters/ 7.5 * 3.0 * 7.7 in.
14. Headphone weight: 218g/ 7.7 oz.
1 * Bluetooth Gaming Headset with retail box.
1 * USB billing wire.
1 * Audio wire.
1 * User handbook.
1. One year guarantee from JinCun Technology.
2. Your Satisfaction is our Highest Goal. Please don't hesitate to contact us with any kind of inquiries.