Lenovo Rechargeable USI Pen

Power through everyday schoolwork and creative projects with the Lenovo Rechargeable USI Pen for 300e/500e Chromebook Gen 3. Featuring 4096 levels of pressure sensitivity, it delivers a natural, precise writing and drawing experience. Designed for seamless portability, it docks directly into your Chromebook's dedicated garage slot to stay charged and protected.

Key Features

• 4096 Levels of Pressure Sensitivity – clear, precise strokes for content creation, note-taking, and drawing

• Universal Stylus Initiative (USI) Protocol – optimized specifically for Chrome OS

• Rapid Charge Technology – gets a 95% charge in just 60 seconds (full charge in 4 minutes)

• Up to 40 Minutes of Active Use on a single full charge

• Integrated Storage & Charging – slides right into the dedicated Chromebook pen slot

• Ultra-Thin & Lightweight – standard 5.5mm diameter and weighing only ~0.01 lbs for tireless use

• Palm Rejection Support – allows natural hand placement on the screen without accidental marks

What’s Included

• Lenovo Rechargeable USI Pen (Gen 3)

Technical Specifications

General

• Model: Lenovo Rechargeable USI Pen for 300e/500e Chromebook Gen 3

• Manufacturer Reference: 4X81D34327 (Part Number)

• Operating System Support: Chrome OS

• Colors: Black

Design & Build

• Stylus Type: Active Stylus

• Diameter: 5.5mm (0.21 inches)

• Length: 124mm (4.88 inches)

Performance

• Protocol: USI (Universal Stylus Initiative)

• Pressure Sensitivity: 4096 levels

• Operating Stroke: 0mm to 0.8mm

• Accuracy: High-resolution precision (central and edge screen tracking)

Connectivity & Compatibility

• Wireless Protocol: USI Protocol (No manual Bluetooth pairing required)

• Compatibility: Exclusively designed for Lenovo 300e Chromebook Gen 3 and Lenovo 500e Chromebook Gen 3

Battery & Power

• Type: Internal Rechargeable Battery

• Battery Life: Up to 40 minutes of continuous active use

• Charging Method: Docks directly inside the Chromebook's integrated pen slot (150mA charge current)

• Charging Speed: 60 seconds for 95% charge; 4 minutes for 100% charge

Dimensions & Weight

• Size: ~4.88" x 0.21" x 0.21"

• Weight: ~0.15 oz (5 grams)

Additional Features

• Palm Rejection: Yes

• Garage Mechanism: Automatic charging upon docking inside the notebook slot