Best in 7 days
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Shipping Estimate
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- USA
- CAN
Ships within 48 hours · Estimated delivery Jun 27 - Jul 2
Promo Codes Available:
For Your Every Summer RSVP, with Code: SUMMER15
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.
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
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Best in 7 days
Best in 7 days
Best in 7 days
Best in 7 days
4.3 ★★★★★
Based on 2422 reviews
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Product Reviews
★★★★★ 5
Good
Looks to be good quality. Easy install.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on September 12, 2025
★★★★★ 5
It’s just an air filter
Size: CA12290-Premium
It’s exactly how it’s pictured. Not sure what else to say it’s an air filter. I guess it’s doing its job
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Reviewed in the United States on May 31, 2026
★★★★★ 5
Good price
Size: CA12290-Premium
Fit as expected
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Reviewed in the United States on May 15, 2026
★★★★★ 5
Very good filter
Size: CA12290-Premium
Very good filter
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Reviewed in the United States on December 3, 2025
★★★★★ 3
Not 99.9 %
Size: CA12290-Premium
Only 98% efficient. Says 99.9 in the ad. There is a huge difference between those two efficiencies.
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Reviewed in the United States on February 8, 2026
