| Product Name: | i58 bluetooth wireless earphones |
| Bluetooth version: | bluetooth v5.0 |
| Color: | white |
| Impedance: | 32 OHM |
| Bluetooth use band: | 2.4GHz |
| Output power: | 30mW |
| Bluetooth distance: | 10 meters barrier |
| Frequency response: | 20-20000Hz |
| Operating voltage range: | 3.0V-4.2V |
| Impedance | 32Ω |
| Sensitivity | 42dB |
| Support | for IOS/Android |
| Function: | Powerful noise de-noising circuit (active noise reduction) |
| Talk time: | about 2-3 hours |
| music time: | about 2-3 hours |
