Desk telescopic phone and tablet holder Acefast E4 black — adjustable width 135–230 mm, 360° rotation

The Acefast E4 black is a telescopic desk holder for phones and tablets with an adjustable clamp width of 135–230 mm and full 360° rotation. The compact, height-adjustable design supports devices with diagonals from 4.7 to 12.9 inches and allows both portrait and landscape orientations. Constructed from plastic, silicone and metal, the holder provides a stable base for hands‑free video calls, streaming, reading or productivity tasks at the desk. Height is adjustable between 315 mm and 500 mm to suit different viewing angles and work setups.

Advantages

The holder accepts a wide range of devices and supports phones up to 18 mm thick and tablets 135–230 mm wide. Its heavy, non‑slip base ensures steady positioning on a desk while the arm provides smooth 360° rotation for quick switching between portrait and landscape. The telescopic mechanism and adjustable height give flexible ergonomics for watching videos, following recipes, video conferencing or using a second screen for work. Materials combine durability with soft contact points to protect device surfaces.

Suitable for

• Hands‑free video calls and online meetings
• Watching films, streaming and live broadcasts
• Reading e‑books, recipe viewing and study sessions
• Gaming in landscape or portrait mode
• Using a smartphone or tablet as a second screen at a desk

Key specifications

• Adjustable clamp width: 135–230 mm
• Device compatibility: phones and tablets with 4.7–12.9 inch diagonals
• Maximum phone thickness supported: up to 18 mm
• Height range: 315–500 mm
• Rotation: 360° rotation for portrait and landscape orientations
• Materials: plastic, silicone, metal
• Weight: 901 g
• Base: heavy, non‑slip design for stable desk mounting

How to use

Place the Acefast E4 holder on a flat desk surface and position it where you want the screen to be. Adjust the telescopic arm to the desired height within the 315–500 mm range and expand or contract the clamp to fit the device width. Insert the phone or tablet into the clamp, ensuring silicone contact points align with the device edges. Rotate the device to portrait or landscape as required using the 360° rotating joint. For stable use, confirm the base sits flat and the device is secure before interacting with the screen.

Usage recommendations

Use the holder on a level, clean surface and avoid sudden impacts or excessive force when rotating or adjusting the arm. Regularly check that the clamp is tightened and the device rests correctly on the silicone pads to prevent scratches. Keep the holder away from excessive heat and liquids to preserve materials and stability.