Complaint
| Headphone functions | Active Noise Cancelling, Pop-up window connection bluetooth, Support Wirleless charging, Can change bluetooth name, Stereo call etc |
| Earbuds packaging | Air 2nd gen earphones, USB cable Charging, User Manual, with logo, also can be without logo, |
| Earphone colors | White, Black, Gold |
| Earbuds Packing box size | 10* 10* 4.5cm |
| Bluetooth version | V5.2 |
| Hearphones Working distance | 10 m |
| Bluetooth Frequency | 2.4-2.48GHz |
| Speaker Sensitivity | 105dB |
| Speaker Impedance | 16Ω-32Ω |
| Frequency Response | 20-20KHz |
| Microphone Sensitivity | -42+/-2Db |
| Bluetooth Protocol | A2DP/AVRCP/HFP |
| Working Voltage | 3.2V-4.2V |
| Headset battery capacity | 40 mAh |
| Charging box battery capacity | 350 mAh |
| Charge time | 1 hour for headphones, 2 hours for charging box |
| earbuds Play time | 2.5 hours |
| Headset quality warranty | one year |
