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The commission fees will be deducted from the total refund amount when processing refunds for items purchased through installment plans.
For full details, please read our Refund Policy.
💰 Spend 100 AED more to get Free Shipping!
🚚 Shipping Fee: 10 AED
🚀 Delivery Time: Fastest Delivery 7 Days
🚚 Standard shipping charge: 10 AED.
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✅ Free shipping for orders 100 AED+ (Global Products).
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🌍 Global products Fastest delivery 7 days.
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"For globally shipped items, refund requests made during the delivery process will be reviewed, Once an item is in transit, cancellations cannot be processed."
Read more at
Refund Policy.
💰 Refund Policy for Installments
The commission fees will be deducted from the total refund amount when processing refunds for items purchased through installment plans.
🔁 Initiate Return
Battery Included: Yes
Brand Name: dutoofree
Choice: yes
Drill Type: Cordless Drill
Hign-concerned Chemical: None
Model Number: 3691DKB
No-Load Speed: 16000rpm
Origin: Mainland China
Power Source: DC
Rated Voltage: 3.6v
USB Cordless Rotary Tool Dremel Drill Engraving Pen Electric 3 Speed Mini Wireless Drill with Accessories Set 8500r-21000rpm
Production information
Product name: Lithium Electric Grinder
Clamping range: 0.5-3.2mm
Power: 35W
Input Voltage: 5V 2A
Output Voltage: 3.7V
3 Speed Regulation: 8500r-16500-21000r/min
Net weight: 226g
Battery capacity: 2200mAh
Battery model: 18650
Charging interface: USB/Type-c Type
Application: Suitable for Caring, Polishing, Cutting, Drilling, Polishing, Cleaning, Trust Removal, etc






Strong endurance, large capacity lithium battery
2200mAH large capacity, lithium battery safe and durable, long-lasting battery life

Intelligent chip, 3-speed control button
8500rpm/16500rpm/21000rpm
Equipped with overheat and overload protection function, controlling speed, suitable for various creative needs

35W high-power pure copper motor
Built in with a powerful core, the high-power pure copper motor is surprisingly powerful

All copper clamp core, high concentricity without shaking
Durable and resistant to drilling, allowing for quick replacement of chucks
Clamping range: 0.5-3.2mm

3D efficient heat dissipation
Efficient heat dissipation system, protecting the motor, durable and extending its lifespan


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