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Description
HXSJ Air-S4 Bluetooth 5.1 True Wireless HiFi Stereo Earphones with Charging Case(Black)1. 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.
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Best in 7 days
Best in 7 days
Best in 7 days
Best in 7 days
4.3 ★★★★★
Based on 2113 reviews
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Product Reviews
★★★★★ 5
Great job on getting this book published
Format: Paperback
I am looking forward to using this book with my great grandson out in the field to collect our States beautiful rocks. Very detailed and helpful, I don’t think I could have gotten a better book. Thanks for the hard work it took to write it.
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Reviewed in the United States on March 1, 2026
★★★★★ 5
Rocks are clearly a beautiful part of Idaho
Format: Paperback
This is an excellent resource for the casual and hardened rock hound, or collectors of pretty things as they drive through Idaho.
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Reviewed in the United States on March 4, 2025
★★★★★ 5
Perfect Gift for a New Resident
Format: Paperback
This Guide is in a first rate series which is well researched, practical and informative. Highly recommended!!
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Reviewed in the United States on March 25, 2024
★★★★★ 4
Family healthy fun
Format: Paperback
Pretty good have had many adventures w his other books as well
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Reviewed in the United States on March 30, 2021
★★★★★ 5
For the rock hound
Format: Paperback
A fun book for the rock hound. I recommend it.
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Reviewed in the United States on August 12, 2025
