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- USA
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Ships within 48 hours · Estimated delivery Jul 26 - Jul 31
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For Your Every Summer RSVP, with Code: SUMMER15
Description
ROCK TR21 USB-C / Type-C to HDMI + USB3.0 x 3 + PD 4K 60Hz 5 in 1 Docking Station, TR211. HDMI interface: can be connected to large screen devices such as projectors, monitors, TVs, etc., 4Kx2K high definition picture quality, more intuitive for watching movies, games, and conferences 2. Support PD3. 0 fast charging protocol, support up to 100W input power supply 3. USB3. 0 interface, 1G file transfer in 3 seconds, the measured transmission speed is greater than 300MB S, multiple USB interfaces can expand keyboard, mouse, U disk, hard
1. HDMI interface: can be connected to large-screen devices such as projectors, monitors, TVs, etc., 4Kx2K high-definition picture quality, more intuitive for watching movies, games, and conferences2. Support PD3.0 fast charging protocol, support up to 100W input power supply
3. USB3.0 interface, 1G file transfer in 3 seconds, the measured transmission speed is greater than 300MB/S, multiple USB interfaces can expand keyboard, mouse, U disk, hard disk, to meet multiple office needs
4. One-piece alloy shell, strong and resistant to falling, good heat conduction, fast heat dissipation, anodized sandblasting process, fine texture, wear-resistant and anti-fingerprint
5. Small and portable, easy to carry when you go out to work
Specification:
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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
4.9 ★★★★★
Based on 28 reviews
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Product Reviews
★★★★★ 1
Poor quality
Size: One Size, Color: Green -Sarge- Upf 50+ Water Resistant
Arrived to me with messed up stitching. Company never resolved with a new one or refund.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on June 15, 2025
★★★★★ 5
Love this hat brrand!
Size: One Size, Color: Green -Sarge- Upf 50+ Water Resistant
I'm glad I found them on amazon was always a hunt in the store! I got a big head and there hats are always a great fit! I will continue to wear them! High quality!
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Reviewed in the United States on December 29, 2024
★★★★★ 5
Good gift
Size: One Size, Color: Green -Sarge- Upf 50+ Water Resistant
Yup. Good gift.
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Reviewed in the United States on April 4, 2022
★★★★★ 5
Great hat
Size: One Size, Color: Green -Sarge- Upf 50+ Water Resistant
Great hat !! Ordering more
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Reviewed in the United States on March 19, 2021
★★★★★ 5
Good quality
Size: One Size, Color: Black
Fits good exactly as described
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Reviewed in the United States on February 11, 2026