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Ships within 48 hours · Estimated delivery Jul 24 - Jul 29
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Description
T21FB Micro USB Charging Zinc Alloy Smart Fingerprint + Bluetooth Single Open Drawer Lock File Cabinet Lock, Single Open Fingerprint + BluetoothFeatures: 1. Support three unlocking methods of fingerprint + Bluetooth APP + WeChat applets 2. The key can be authorized remotely through WeChat, and the unlock record can be viewed in fact 3. Easy to unlock, open with one touch 4. Professional biometric technology, fast identification without waiting 5. Artificial intelligence, the more sensitive you use it 6. Micro USB charging port, supports multiple charging methods 7. The phone can check the
Features:1. Support three unlocking methods of fingerprint + Bluetooth APP + WeChat applets
2. The key can be authorized remotely through WeChat, and the unlock record can be viewed in fact
3. Easy to unlock, open with one touch
4. Professional biometric technology, fast identification without waiting
5. Artificial intelligence, the more sensitive you use it
6. Micro USB charging port, supports multiple charging methods
7. The phone can check the remaining battery, and it will remind when the battery is low
8. Suitable for all kinds of single-open drawer doors, such as TV cabinets, cabinets, bedside tables, wardrobes, shoe cabinets, etc. (can only be used in drawers and single-open cabinets can be installed)
12. Bluetooth chip: Nodic 52810
Product parameters:
1. Material: zinc alloy lock body +303 stainless steel bolt
2. Fingerprint capacity: 100 pieces
3. Battery capacity: 150mAh
4. Charging port: 3.7V Micro USB
5. Power supply type: lithium battery
6. Recognition time: less than 0.5 seconds
7. Power consumption time: 2 hours of charging, can be used continuously for 180 days, unlocked ten times a day
8. Lock body size: 40x40x48mm
9. Head diameter: 34mm
10. Head height: 16mm
11. Suitable panel thickness: drawers less than 22mm
Packing list:
Fingerprint lock x 1
Charging cable x 1
Chinese and English manual x 1
Installation kit x 1
Specification:
| Package Weight |
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Shipping Notes
- Free Standard Shipping on $100+ Orders to the USA.
- Except Preorder products are shipped in 48 hours.
- Delivery to the USA:
- Standard Shipping : 3-10 business days
- If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
- We offer a 30-day return/exchange service after receiving.
- Final sale items are not eligible for returns or exchanges.
- To process your return/exchange, please contact us at [email protected]
- Please click here for more details>>> Return & Exchange Policy
4.7 ★★★★★
Based on 30 reviews
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Product Reviews
★★★★★ 4
Fit well and stay up
Size: Large, Color: (299) City Khaki / City Khaki / White
They're a little thin, so good mainly for warmer months. But they fit very well and I've not experienced any slippage
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Reviewed in the United States on March 17, 2026
★★★★★ 5
Llego a tiempo
Size: X-Large, Color: (001) Black / Black / Castlerock
Bien
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Reviewed in the United States on April 28, 2026
★★★★★ 3
Low quality socks.
Size: Large, Color: (001) Black / Black / Castlerock
I have been buying Under Armour undergarments for years and have noticed a steady decline in quality. These socks are no different. I purchased another six packs of very similar styled Under Armour socks in 2023 and recently they have started wearing out. Those socks are no longer available for reorder, but these extremely similar socks were so I ordered them. The quality difference is obvious just by looking at and feeling them. They are more of a faded black/brown than the black pictured or the black that the three year old socks still are. The material is completely different and feels lighter. When wearing them they already feel like they are bunching up in my shoes, which the old ones never did. I do not expect these to last even a year and will not buy them again.
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Reviewed in the United States on March 29, 2026
★★★★★ 5
Happy Son
Size: Large, Color: (001) Black / Black / Castlerock
My sons loves them. They are all he wears.
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Reviewed in the United States on April 19, 2026
★★★★★ 5
Perfect thickness and soft feel.
Size: 6-10, Color: Halo Gray/Assorted
Why did you pick this product vs others?:
Love theses socks. It's hard to find socks which won't get pulled down by athletic shoes. These stay put.
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Reviewed in the United States on June 29, 2025