Acefast J1 USB-A to USB-C adapter

The ACEFAST J1 is a compact USB-A female to USB-C male OTG adapter engineered to bridge standard USB-A peripherals with modern USB-C smartphones, tablets, and laptops. According to specifications from the ACEFAST Product Catalog, it supports reliable everyday charging alongside high-speed data syncing

Core Specifications

Data Transfer Speed: Powered by USB 3.0 technology, delivering file transfer speeds up to 5 Gbps

Power Delivery: Supports standard charging outputs up to 5V ⎓ 2.4A

Form Factor & Build: Features a highly compact footprint measuring 31.85 × 17.3 × 9.5 mm and weighing only 4g. It is constructed with a flexible, wear-resistant TPE housing that includes a textured diamond-pattern surface to enhance grip

Safety Certifications: Fully certified by FCC, CE, RoHS, and EAC, incorporating an internal smart chip to manage safe charging and multi-protection security

Functionality & Device Integration

OTG (On-The-Go) Support: Allows USB-C mobile devices or laptops to interface directly with external USB-A hardware such as flash drives, mice, keyboards, game controllers, and printers without needing intermediary software.

Plug-and-Play Experience: Requires no driver installations; it works immediately upon insertion.

Visual Indicator: Includes a blue-colored internal USB-A port structure, visually denoting its USB 3.0 specification compliance