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Bluetooth Auricolare colorato
| Master control | UK2020B |
| Bluetooth version | V5.1 |
| Rated power | 10mw |
| Style | In-ear |
| ANC Noise Reduction Depth | 15-20dB |
| Support Protocol | HSP/HFP//A2DP/AVRCP |
| Transmission distance | 10m |
| Transmission power | Class2 |
| Audio signal-to-noise ratio | 98dB |
| Charging input standard | Contact, DC 5V/0.5-1A |
| Speaker impedance | 32Ω |
| Speaker diameter | 6mm |
| Speaker frequency range | 20Hz-20000Hz |
| Speaker sensitivity | 94db±3db |
| Microphone | Silicon mic 4026 |
| Microphone frequency range | 100Hz-8000Hz |
| Microphone sensitivity | -42db±3db |
| Eearphone | Battery: 40mAh |
| Charging time: 35min | |
| Full listening time: 4h~5h | |
| Talking time: 4~5h | |
| Standby time: 60h | |
| Charging bin | Battery: 320mAh |
| Charging time: 1h |
U2030
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