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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.
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Exchange/Return Notes
- We offer a 30-day return/exchange service after receiving.
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4.2 ★★★★★
Based on 20 reviews
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Product Reviews
★★★★★ 5
Slip-on ready and great quality
Size: 9, Color: Black
These shoes were stuff for the first half hour but then feel great. Well worth the chance and money. Great quality and slip-on easy
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Reviewed in the United States on May 22, 2026
★★★★★ 5
Great buy
Size: 11, Color: Tan
Great fit comfortable look good
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Reviewed in the United States on May 12, 2026
★★★★★ 5
Great shoes
Size: 14 Wide, Color: Black
My shoes look good and feel good and now I’m going to purchase the brown pair I saw
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Reviewed in the United States on April 24, 2026
★★★★★ 4
Don’t buy for restaurant industry
Size: 10.5, Color: Black, Size: 10.5, Color: Black
Good looking shoes, fairly comfortable and good value based on the description shared, so I don’t feel it’s fair to rate them lower than 4 stars. I had high hopes for them based on previous reviews from others saying they wore them in the food and beverage industry that mentioned their quality and durability, however I strongly recommend looking elsewhere if you do. I purchased these to wear working in a full service upscale restaurant and in less than two months have managed to have torn the material on the middle exterior section and the bottoms of the shoes are already completely worn down. Good design, but the durability needs to be improved if they’re to hold up for that industry.
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Reviewed in the United States on July 18, 2025
★★★★★ 1
DO NOT BUY (lasted less than 7 months)
Size: 11, Color: Black, Size: 11, Color: Black
I bought these for work as a bartender in August of 2025. By December, the tops were scuffed, frayed, and peeling beyond repair, and by February, the soles were coming off. I’ve never had a pair of shoes with such low quality.
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Reviewed in the United States on April 11, 2026