1 3

Tekpone

Mijia Rotary Tool Kit

Mijia Rotary Tool Kit

₱2,399.00 PHP
₱2,399.00 PHP
Sale Sold out
Taxes included.

ORDER PROCESSING : 1-2 DAYS AFTER RECEIVING PAYMENT

Or 12 months for only ₱1,000 with . Learn More.


The Mijia Rotary Tool Kit (Model MJDMB001QW) also sold as the Xiaomi Mijia Electric Grinding Pen) is a pen-style cordless and corded rotary multitool featuring a brushless coreless motor with speeds up to 22,000 RPM. It comes packed in a pop-up storage case with 16 interchangeable 2.35 mm bits for precision engraving, grinding, polishing, and drilling.



⚙️ Core & Motor Specifications

  • Model Number. MJDMB001QW
  • Motor Type. Brushless hollow-cup (coreless) motor
  • No-Load Speed. 15,000 – 22,000 RPM (stepless variable speed dial)
  • Collet / Chuck Size. 2.35 mm shank capacity
  • Bit Locking Mechanism. Wrench-free twist-lock chuck
  • Controls. Single power button with an independent rotary speed adjustment knob
  • Safety Standard. GB/T 3883.1-2014

🔋 Battery & Power Specs

  • Power Modes. Dual-mode operation (cordless battery or continuous corded plug-in use)
  • Battery Type. Built-in Lithium-ion battery
  • Rated Capacity & Voltage. 800 mAh / 3.7 V
  • Battery Runtime. Approx. 60 minutes on a full charge (varies by load and temperature)
  • Charging Port. USB Type-C
  • Charging Parameters. 5V ⎓ 1A (approx. 90 minutes for a full charge; does not charge while running in plug-in mode)
  • Plug-In Operating Input. 5V ⎓ 3A

📐 Dimensions, Build & Environment

  • Pen Dimensions. Approx. 184 × 20 × 20.6 mm (2 cm slim grip diameter)
  • Storage Case Dimensions. Approx. 210 × 88 × 28 mm
  • Total Net Weight. Approx. 310 g (tool, case, and bits combined)
  • Body Construction. Anodized aluminum alloy housing with an anti-slip grip
  • Case Construction. Matte-finish ABS storage box with an automatic pop-up bit rack
  • Operating Temperature. 0°C to 40°C
  • Storage Temperature. -10°C to 45°C 

🧰 Included 16-Piece Bit Breakdown & Box Contents

Per the official Xiaomi Global specifications and user manual, the box includes the rotary tool pen, storage case, USB charging cable, user manual, and 16 accessories (2.35 mm shanks):

Bit Type Qty Primary Applications
💎 Diamond Grinding Bits 6 Fine engraving, carving, and shaping jade, glass, metal, and stone
🪨 Abrasive Grinding Bits 4 Deburring, rust removal, sharpening, and rough grinding on wood and metal
🧽 Rubber Grinding Heads 2 Smoothing rough edges, cleaning oxidation, and fine surface prep
🧶 Wool Grinding Heads 2 Detailed buffing and polishing in tight crevices
⚪ Wool Polishing Wheel 1 Mirror-finish polishing on silver, jewelry, resin, and models
🔩 Twist Drill Bit 1 Micro-drilling holes in wood, plastic, resin, and pendant crafts


  • w/ warranty
  • 27 years in the business
  • 1-2 business days
View full details