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Ships within 48 hours · Estimated delivery Jul 12 - Jul 17
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Description
Bluetooth 4.0 V2 Port Module with Logic Level Conversion Anti-reverse circuitBluetooth 4. 0 V2 Port Module with Logic Level Conversion Anti reverse circuit Features: 100% Brand New and High Quality. Carries built in logic level conversion circuit, so there is no need to convent 5V level to 3. 3V level by external operation. Power input port carries anti reverse circuit to avoid accidental reverse connection of power supply, thus preventing module from being burnt down. Supoort IOS system. Specification Bluetooth protocol:
Bluetooth 4.0 V2 Port Module with Logic Level Conversion Anti-reverse circuit
Features:
100% Brand New and High Quality. Carries built-in logic level conversion circuit, so there is no need to convent 5V level to 3.3V level by external operation. Power input port carries anti-reverse circuit to avoid accidental reverse connection of power supply, thus preventing module from being burnt down. Supoort IOS system. Specification： Bluetooth protocol: Bluetooth Specification V4.0 BLE No byte limit in serial port Transceiving In open environment, realize 100m ultra-distance communication with iphone4s USB protocol: USB V2.0 Working frequency: 2.4GHz ISM band Modulation method: GFSK(Gaussian Frequency Shift Keying) Transmission power: -23dbm, -6dbm, 0dbm, 6dbm, can be modified by AT command Sensitivity: ≤-84dBm at 0.1% BER Transmission rate: Asynchronous: 6K bytes Synchronous: 6k Bytes Security feature: Authentication and encryption Supporting service: Central & Peripheral UUID FFE0, FFE1 Power consumption: Auto sleep mode, stand by current 400uA~800uA, 8.5mA during transmission Power supply: 5V DC Working temperature: –5 ~ +65 Centigrade Weight: 5g / pc
Package Included: 1 x Bluetooth 4.0 V2 Module
Raspberry Pi is a Trademark of the Raspberry Pi Foundation.
Product ID: EP00370
Shipping Notes
- Free Standard Shipping on $100+ Orders to the USA.
- Except Preorder products are shipped in 48 hours.
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Exchange/Return Notes
- We offer a 30-day return/exchange service after receiving.
- Final sale items are not eligible for returns or exchanges.
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4.3 ★★★★★
Based on 383 reviews
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Product Reviews
★★★★★ 3
Very unreliable size chart second and final time I go there.
Color: Angel Falls, Size: Medium
Size chart unreliable, medium very baggy, decent quality
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Reviewed in the United States on April 24, 2026
★★★★★ 5
Great Fit and Price While Updating My Wardrobe
Color: Shortbread, Size: Large
As I’ve been getting fitter, my old clothes started looking too baggy, so I needed something that fit better without breaking the bank. This COOFANDY chambray shirt turned out to be exactly what I was looking for—lightweight, wrinkle-resistant, and stylish enough for casual or dressy wear. The fabric feels soft and breathable, and it pairs easily with jeans or slacks. Since I’m still losing weight, I didn’t want to overspend on clothes I may size out of soon, and these hit the sweet spot for both quality and affordability.
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Reviewed in the United States on September 28, 2025
★★★★★ 1
Wron Size Shipped Twice
Color: White, Size: Large
I ordered a large twice. 1st delivery was an XL, two sizes too large. The second reorder was an L, and fit like a medium. They can't get the order siz right.
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Reviewed in the United States on May 7, 2026
★★★★★ 5
Excellent shirt!
Color: Chive, Size: Large
Excellent shirt! Comfortable and looks great! True to size, and light weight.
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Reviewed in the United States on March 22, 2026
★★★★★ 5
Dress shirt
Size: Large, Color: Light Blue
Fit perfect
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Reviewed in the United States on May 14, 2026