




Keyboard*1; Manual*1; Receiver*1; Warranty Card*1;
Product Specifications
French Design Award 2025
Member of Shenzhen Ergonomics Application Association
Member Certificate of SAEA
Certified by China Quality Certification Center (CQC)
Compliant with Mandatory Product Certification Implementation Rules for Electronic Products and Safety Accessories (CNCA-009-01:2023)
Shenzhen Hangshi Electronics Technology Co., Ltd.
HD429CL Ergonomic Tri-Mode Keyboard
Ergonomic tri-mode connectivity supporting up to 4 devices with one-key quick switch
Natural hand posture design to protect wrist health and prevent tendonitis
Split ergonomic keyboard design for improved typing posture and reduced wrist strain
Scissor-switch keys with silicone cushioning for quiet operation, suitable for library use

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Curved keycaps designed to fit fingertips for enhanced typing comfort and tactile feedback
Durable keycaps with a lifespan of up to 10 million keystrokes
Plug and play with high compatibility, no driver installation required
Adjustable dual-stage feet with three modes (flat, low, high) for comfortable typing, gaming, and office use
Multimedia shortcut keys for enhanced productivity and entertainment control
Data sourced from Hangshi laboratory tests or manual measurements; slight deviations may occur
Certification and validity can be verified via QR code or official certification websites (www.cnca.gov.cn)
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