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| Version | V5.0 |
| Frequency | 2.40GHz-2.48GHz |
| Power | ≤ 4 dBm, class 2 |
| Effective range | 10M |
| Sensitivity | -84dBm / 0.1% BER |
| Frequency response | 20 Hz - 20 KHz |
| S/N rate | 70 dB |
| Distortion | 0.10% |
| Speaker size | 40mm |
| support | A2DP 1.2, AVRCP 1.0, HSP, HSF 1.5 |
| Voltage | 3.7VDC (built-in 400MAH rechargeable battery) |
| talking time | 15 hour |
| standby time | 250hour |
| charge time | 3-3.5 hour |
| current | 40 mA |
| operate temperature | -4 ~ +131°F(-20 ~ +55°C) |
ADVANTAGES:
Delivery lightning: only ordered, as the next day already brought to the office of cdeka. A box without a single dent. Perfectly packed. The headphones themselves also pleasantly surprised. Lungs, on the head hold, noise insulation is good. The sound is excellent. Connected quickly. But. I originally had a problem: from the phone the sound was perfectly clean and loud, but from the laptop just a nightmare. Googled, on the laptop in the sound playback devices put the headphones check "device by default", and that's when the sound became as excellent as when the phone was connected. If anyone has the same problem, keep in mind-solved. Of the minuses would have noted the bad work of the radio (something catches, but it works so that better B did not catch), yes, the build quality: creaks,,, "ears" are great. But I personally do not interfere with these nuances. They work, well, fine, the sound is loud-generally ideal. Came fully charged, when connected to the phone, the percentage of the charge is visible.
Very wonderful as in the description thank you
It was well packaged on the outside, but the inside of the box was torn and broken ... however, the headphones are without any external damage, after I charge them I will write another comment. So far, I'm very happy. They arrived earlier, which makes me happy.
Shipping fast and more work well without being
Can be used in home off a big forward with no or performance nicer yo
