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- USA
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- USA
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Ships within 48 hours · Estimated delivery Jul 7 - Jul 12
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Description
Waveshare ESP32-S3 LoRa Development Board With LR1121 3rd-Gen RF Chip, HF Version, LF Version, HF Kit, LF Kit1. Equipped with the Xtensa 32 bit LX7 dual core processor, with a main frequency up to 240MHz, delivering robust performance; supports 2. 4GHz Wi Fi (802. 11 b g n) and Bluetooth 5 (LE), meeting diverse wireless connectivity needs 2. Built in 512KB SRAM, 384KB ROM, stacked 4MB Flash, and 2MB PSRAM, offering abundant resources 3. Adopts stamp hole design for enhanced integration, facilitating independent baseboard design 4. Rich peripheral interfaces
1. Equipped with the Xtensa 32-bit LX7 dual-core processor, with a main frequency up to 240MHz, delivering robust performance; supports 2.4GHz Wi-Fi (802.11 b/g/n) and Bluetooth 5 (LE), meeting diverse wireless connectivity needs
2. Built-in 512KB SRAM, 384KB ROM, stacked 4MB Flash, and 2MB PSRAM, offering abundant resources
3. Adopts stamp hole design for enhanced integration, facilitating independent baseboard design
4. Rich peripheral interfaces including 4 × SPI, 2 × I2C, 3 × UART, 2 × I2S, and 2 × ADC
5. Utilizes LR1121, the third-generation low-power LoRa transceiver from Semtech's LR11xx series
6. Supports Sub-GHz (150MHz to 960MHz), S-band (2.0GHz to 2.1GHz), and 2.4GHz ISM frequency bands
7. Connects to cloud platforms via LoRa or LoRaWAN protocols through gateways to build low-power wide-area networks
8. Supports LoRa, (G)FSK, and LR-FHSS modulation, compatible with SX126X/SX127X frequency bands for seamless product upgrades
9. Integrated AES-128 encryption engine for enhanced data security; onboard TCXO crystal ensures frequency stability under high/low-temperature conditions
10. Suitable for IoT applications including industrial telemetry, smart homes, environmental monitoring, and remote data acquisition
11. Includes C language sample programs and user manuals for streamlined development and rapid deployment
12. Operating frequency bands: LF: 410MHz to 510MHz; HF: 850MHz to 930MHz
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
4.8 ★★★★★
Based on 1823 reviews
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Product Reviews
★★★★★ 4
Ideal for people with sensitive skin
Color: Pink
An almost perfect shave everywhere. Great for your skin. Water resistant.
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Reviewed in the United States on April 7, 2026
★★★★★ 5
I highly recommend it to any woman who wants a quick option
Color: Pink
I absolutely loved this bikini trimmer! 💖 It's super easy to use, doesn't irritate the skin, and leaves everything very smooth and clean. The battery lasts a long time, and the design is comfortable to use on delicate areas.
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Reviewed in the United States on May 12, 2026
★★★★★ 5
Hairy beast approved
Color: Pink
I've got some thick annoying hairs thanks to my genetics - but this trimmer works great to give a close shave without any skin irritation. I am prone to ingrowns, and have noticed that using this in combination with exfoliating these have been greatly reduced. Good battery life and love that it is the perfect size for travel.
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Reviewed in the United States on May 2, 2026
★★★★★ 5
Recommended
Color: Pink
Great product! It’s very easy to use and gentle on the skin. The ceramic blades work smoothly without causing irritation or cuts. I love the sleek design, the LED display to check the battery level, and the Type-C charging. It comes with useful attachments and the battery lasts a long time. Perfect for the bikini area and other sensitive zones. Highly recommended!
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Reviewed in the United States on March 20, 2026
★★★★★ 5
Fades stubborn dark spots fast
I have used this product for about six months to target dark and red spots left behind after my zits clear up. I was honestly surprised at how much it helped fade stubborn discoloration, even after just one use.
Pros
-Noticeable reduction in discoloration after one use
-More effective for small spots than typical serums
-Targets persistent dark/red marks specifically
Cons
-Effects can fade if not used regularly
Overall, this has become my go-to for spot treatment because it works quickly and is more targeted than a general serum. I especially appreciate how it faded a stubborn old mark in just one application. A five star rating feels appropriate because it delivers visible results on stubborn discoloration, though consistency is needed to maintain the effect.
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Reviewed in the United States on December 14, 2025