| Professional Mini Bluetooth Amplifier Speaker Technical specifications | |
| Bluetooth compliance | Bluetooth V3.0 +EDR |
| Operation distance | ≤10M |
| Operation frequency | 24HZ-2.48KHZ |
| Impedance | 4Ω |
| Output Power | 3W * 2RMS |
| Working Voltage | 3.7V-4.2V+0.05V |
| Audio signal -noise ratio | >65dB |
| USB charging voltage | DC 5V |
| Distortion | <1% |
| Audio input | Bluetooth & LINE-IN |
| Built-in Power | Version 1: Rechargeable 1000mAh lithium-ion battery |
| Version 2: Built-in Power Bank: 2200mAh, 2600mAh, 4400mAh, 5200mAh | |
| Charge time | 3-4 hours/Depend on battery capacity |
| Adjusting | Buttons adjust input sensitivity : 450 ± 50mV |
| Working time | Version 1: about 10 hours on medium volume, |
| Version 2: more than 10h on medium volume, depend on battery capacity | |
| Supported models | Bluetooth for all phone with IOS/Android systerm All music service with 3.5mm audio port,such as MP3/4; |
| Shell Material | Aluminium alloy |
| Overa size | 205 X 80 X 45mm |
| N.W./ G.W. | 320g/500g |
| Extension function | Dock for iPad, tablelet, smartphone |
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