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| Specification | Detail |
| Model | Soundcore V40i (A3878) |
| Form Factor | Open-Ear Earbuds / Headphones |
| Speaker Driver | 16 × 13 mm Customized Drivers |
| Impedance | 16Ω |
| Frequency Response | 20Hz - 20kHz |
| Bluetooth Version | 5.4 |
| Wireless Range | 10 meters / 32 feet |
| Microphones | 4 Mics with AI Noise Cancellation Algorithm |
| Earbuds Playtime | Up to 6 hours on a single charge |
| Total Playtime with Case | Up to 21 hours |
| Fast Charging | 10 minutes charge = 1.5 hours playback |
| Earbuds Charging Time | Approximately 1 hour |
| Case Charging Time | Approximately 2.5 hours via USB-C |
| Charging Case Battery Capacity | 470 mAh |
| Water & Dust Resistance Rating | IP55 with SweatGuard Technology |
| Multi-Device Connectivity | Multipoint Connection (Dual Connections) |
| Companion App Support | Soundcore App (22 EQ Presets & Custom EQ) |
| Control Type | Customizable Touch Controls |
| Design Feature | 4-Level Adjustable Ear Hooks & Lid-free Magnetic Case |
| Weight | 10.1 grams / 0.36 oz (per earbud) |
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