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Description
HXSJ Air-S4 Bluetooth 5.1 True Wireless HiFi Stereo Earphones with Charging Case1. Bluetooth version: V5. 1+EDR 2. Bluetooth protocol: A2DP1. 3 HFP1. 6 HSP1. 2 3. Chipset: Bluetrum 5376 4. Shell material: ABS+PC 5. Charging time: 1 hour 6. Bluetooth distance: 10m 15m 7. Earphone battery capacity: 30mAh*2 8. Standby time: 240Hours 9. Play Calling Time: 2 2. 5 Hours 10. Charging box battery capacity: 200mAh 11. Speaker model: 13. Round horn 12. speaker size: 13mm 13. Impedance: 320 14. Rated power: 3mW 15. Maximum power: 5mW 16.
1. Bluetooth version: V5.1+EDR2. Bluetooth protocol: A2DP1.3/HFP1.6/HSP1.2
3. Chipset:Bluetrum 5376
4. Shell material: ABS+PC
5. Charging time: 1 hour
6. Bluetooth distance: 10m-15m
7. Earphone battery capacity: 30mAh*2
8. Standby time: 240Hours
9. Play/Calling Time: 2-2.5 Hours
10. Charging box battery capacity:200mAh
11. Speaker model: φ 13. Round horn
12. speaker size: φ 13mm
13. Impedance: 320 Ω
14. Rated power: 3mW
15. Maximum power: 5mW
16. Frequency response:20hz- 20Khz
17. Charging time of charging box:1.5-2 Hours
18. The mumber of times the charging box charges the headset: 3 times
19. The blue lights of main and auxiliary /TWS connection success indication: engines flash slowly at intervals
20. Single headphone weight：7g
21. Single headphone size：3.1*1.6*1.6cm
22. Charging box weight：19g
23. Charging box size: 4.4*4.3*2.1cm
Specification:
| Package Weight |
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4.8 ★★★★★
Based on 13 reviews
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Product Reviews
★★★★★ 5
Easy to follow and very thorough.
Format: Paperback
I went from start to finish on this book and feel more than comfortable with the basics of this platform. If I can do it, so can journalists.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on April 2, 2022
★★★★★ 5
Great present
Format: Paperback
My son asked for theirs for Xmas and he needed it for school
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on February 9, 2021
★★★★★ 1
Bugs Within Code
Format: Paperback
The blueprint code where we change the material of the character skeletal mesh has a serious game breaking bug. When the player picks up just ONE of the spheres, the game exits after three seconds despite the fact that there are still two remaining. I followed the code to the letter, even going out of my way to using the exact same engine version as in the book. There are no hints nor tips within the book that offers solutions should any problems arise. Therefore, one would expect the code to be flawless and bug free.
At this point, one would be better off seeking free tutorials from elsewhere. The book does not go in depth with anything considered 'advanced' (interactive doors). Very disappointing considering how much one pays for the book.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on December 29, 2019
★★★★★ 5
A Must Have For The Beginner
Format: Kindle
So I've had an the opportunity to spend time with this book and I have to say that I'm very satisfied. Normally when you're reading tech books that claim to be for beginners they assume that you know things and skips steps, but this book doesn't do that. I went from being super intimidated about programming and back end development, but this book eases your mind and makes you feel like you can do anything. And after reading it you start looking at programming in a completely different way.
Pros:
* Easy to comprehend
* Well laid out
* The tone of the author is very pleasant and not boring at all
* Encourages you to experiment with what you've learned and encourages you to go out explore even further
* He makes you feel smart
* He makes you feel like you actually have a shot at being a paid developer
Cons:
* There were a few typos and some missing syntax in a few of the coding examples, but even with that being the case this book is still awesome
Once I land a gig here in the next three months it'll be thanks to this book and this amazing author. Thanks =)
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Reviewed in the United States on February 8, 2021
★★★★★ 4
A good book for beginners
Format: Paperback
Well I spent about 3 hours reviewing this book last night and I actually think I understood most of it. I still have a long way to go. And I’m not ready to call myself a software engineer any time soon. I think I would need to take about 3 college courses in software engineering and this book would be the first textbook.
I would recommend that the index be expanded. I would recommend a book on Python to go with this book.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 6, 2025
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