ACEFAST W4 ENC Wireless Bluetooth Earbuds
Specification
| General | |
| Brand | Acefast |
| Model | W4 |
| Key Features | |
| Certification | CE, FCC ID, ROHS, EAC, UN38.3, MSDS, air and sea freight report |
| Connectivity | Bluetooth v5.4 |
| Features | Mobile Phone Stand. |
| Noise Cancelling | ENC (Environmental Noise Cancellation) for calls |
| Main Features | |
| Frequency | 20Hz~20kHz |
| Microphone | Yes with ENC |
| Power | |
| Battery Capacity | Earbuds: 40mAh, Charging case: 350mAh |
| Charging Time | Earbuds: about 80 minutes. Charging case: about 2 hours. |
| Backup Time (Approx) | 7 hours (music mode, 50% volume), Total Playback Time: About 28 hours, |
| Physical Specification | |
| Color | Black |
| IP Rating | IPX4 |
| Weight | 37.6g |
| Dimension | 57 x 57 x 24mm |
| Warranty Information | |
| Warranty | 6 Months |
Description
The ACEFAST W4 True Wireless Earbuds are a highly practical and stylish pair of in-ear Bluetooth 5.4 earphones, designed for everyday use with a focus on comfort, call clarity, and usability. They house 10 mm ultra-thin composite diaphragm drivers, delivering balanced sound with a satisfying blend of bass and treble. For call quality, they use dual-mic ENC (Environmental Noise Cancellation) to suppress background noise, so your voice comes through clearly. The charging case is particularly clever: it doubles as a 3-level adjustable phone stand, allowing you to prop up your phone in horizontal or vertical orientation while charging or watching media. On a single charge, each earbud provides up to 7 hours of music playback at around 50% volume, and the 350 mAh case delivers a total of ~28 hours of use. Thanks to its quick charge feature, just 10 minutes of charging gives you around 2 hours of usage. The case uses USB-C for charging, and the earbuds themselves are compact and lightweight for comfortable, long-lasting wear. With an IPX4 water resistance rating, they can handle sweat and light splashes — good enough for workouts or everyday commuting.
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