ACEFAST W4 True Wireless Earbuds

The ACEFAST W4 is an innovative and highly practical TWS earbud system designed for the modern multi-tasker. Its standout feature is the patented charging case with a built-in phone stand, offering one-click locking and three adjustable angles for stable hands-free viewing in both portrait and landscape modes. Whether you’re watching movies, attending video calls, or following a recipe, the W4 case keeps your phone perfectly positioned.

Performance-wise, the W4 doesn’t compromise. It utilizes a 10mm ultra-thin composite diaphragm driver for professional-grade sound and the latest Bluetooth 5.4 chip for ultra-stable, low-latency connectivity. With AI Call Noise Reduction, your voice remains clear even in noisy environments. The ultra-compact, thin case design makes it incredibly pocket-friendly, while the IPX4 waterproof rating ensures it can handle sweat and light rain during outdoor adventures.

Key Features

• Integrated Smart Phone Stand: The charging case features a unique, one-click locking stand with 3 adjustable angles, supporting both horizontal and vertical phone placement.
• Professional 10mm Audio: High-quality composite diaphragm drivers deliver a rich, balanced soundstage with surprisingly punchy bass for its size.
• AI Call Noise Reduction: Intelligent algorithms filter out background noise, ensuring your voice is heard clearly during phone calls.
• Rapid Charging (Flash Charge): Get up to 2 hours of playback from a quick 10-minute charge—ideal for users on the go.
• Bluetooth 5.4 Stability: Equipped with the AB5656C3 chip for reduced power consumption, lower latency, and zero interference.
• Extended 28H Playtime: Enjoy 7 hours of continuous music at 50% volume, with a total of 28 hours provided by the 350mAh charging case.
• Ultra-Thin & Lightweight: One of the most portable designs in the ACEFAST lineup, weighing just 37.6g and thin enough to fit in any pocket.
• IPX4 Waterproof: Protects against splashes from any direction, making it suitable for sports and unpredictable weather.

Specifications

• Brand: ACEFAST
• Model: W4
• Chipset: Bluetooth 5.4 (AB5656C3)
• Speaker Unit: 10mm Dynamic Driver
• Audio Codecs: SBC, AAC
• Earbud Battery: 40mAh (7 Hours Playtime at 50% volume)
• Case Battery: 350mAh (Total 28 Hours)
• Charging Port: USB-C (DC 5V/0.35A)
• Charging Time: Earbuds (~80 mins), Case (~2 hours)
• Dimensions: 57 × 57 × 24 mm
• Weight: ~37.6g
• Waterproof Rating: IPX4