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- USA
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- USA
- CAN
Ships within 48 hours · Estimated delivery Jul 13 - Jul 18
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Description
B4 RGB Cartoon Stereo Headset Wireless Bluetooth Headphones, Black1. Bluetooth 5. 1: Simple pairing and stable connection. Let your kids enjoy wireless music without worrying about tangled cables. 2. Use the included audio cable to connect the earphones to your device, you can still enjoy the music, even if the earphones have no power, the bluetooth mode will be turned off when the audio cable is plugged in. 3. Wireless Hands Free Calling: Keep your kids on the phone with you when the headset is on, and is also an
1. Bluetooth 5.1: Simple pairing and stable connection. Let your kids enjoy wireless music without worrying about tangled cables.2. Use the included audio cable to connect the earphones to your device, you can still enjoy the music, even if the earphones have no power, the bluetooth mode will be turned off when the audio cable is plugged in.
3. Wireless Hands-Free Calling: Keep your kids on the phone with you when the headset is on, and is also an ideal online learning tool.
4. Rechargeable - built-in 400mAh: about 3 hours of charging can support about 8-20 hours of continuous playback. If the bluetooth mode is low on power, you can use the auxiliary cable to enjoy the wired mode.
5. Independent buttons: multi-button design, you can easily switch music, adjust the volume, and freely control play/pause.
6. Adjustable hair band: Hair band with soft cushion and pressure relief ear pads, suitable for people of different ages.
7. Lightweight and comfortable: Even if the child wears it for a long time, it will not feel pressure.
8. Foldable and Portable Design: Foldable headband, compact design fits perfectly in your backpack.
Product Specifications:
1. Bluetooth version: V5.1
2. Bluetooth distance: 15m (no interference)
3. Interface: Type C
4. Turn on the light and use time: about 8 hours
5. Turn off the lights and use time: about 20 hours
6. Horn size: 40mm in diameter
7. Impedance: 32??
8. Battery capacity: 400 mah
9. Product type: cat, squirrel, bear
packing list:
Headphone X1
Audio cable X1,
Charging cable X1
Chinese and English manual X1
Specification:
| Package Weight |
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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
4.6 ★★★★★
Based on 2441 reviews
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Product Reviews
★★★★★ 5
Excellent engine oil
Size: 5 Quarts, Size: 5 Quarts
This is the best oil that I ever used.I have used it in my Toyota Noah 2006-2007 model…The engine is as quiet as new…wanted to see how it would perform.It has clocked 3,500km.This is good and have recommended to my friends and family
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Reviewed in the United States on May 23, 2026
★★★★★ 5
Top-tier engine protection that runs quiet and smooth
Size: 5 Quarts
I’ve used Castrol EDGE in a couple of our vehicles and always come back to it for consistent performance. It extends the time between oil changes and holds up well under both daily driving and highway mileage. We don't "extend the time" though. It's changed, on the dot, every time. The consistency and quality of the oil's condition at change, though, is easily able to be seen that it would go for much longer.
Engine runs quieter, and I’ve noticed better fuel efficiency over time compared to conventional oil. Whether that's how attentively I drive and watch the mileage meter on the dash or the oil - is up for debate ;)
It doesn’t burn off as quickly either, which is great if you’re keeping an eye on long-term engine health.
The bottle design pours cleanly with a smart spout, which saves unnecessary messes in the garage.
Pros:
Strong wear protection and long-lasting
Improves engine quietness
Easy-pour design
Tip:
Use it with a high-quality oil filter for maximum benefit don’t skimp on either part and you'll be golden.
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Reviewed in the United States on June 26, 2025
★★★★★ 5
Excellent choice for long oil change intervals.
Size: 1 Quart, Pack of 6
I'm a former dealership mechanic and for years I used whatever we had in the bulk tank which was usually Valvoline conventional. My last job was at a German car dealership. Castrol was the oil recommended by the German manufacturers and that's when I started using Castrol. In my experience Castrol is an excellent oil. My 2014 Ford just rolled over 242,000 miles and even with factory 10,000 mile oil change intervals, from what I can see through the oil fill the top end of the engine is still clean. I've never had to remove the valve cover. It's using about a quart between oil 10,000 mile oil changes which is great because when it was new it used about a 1/2 quart between changes.
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Reviewed in the United States on January 28, 2026
★★★★★ 5
Bueno
Size: 5 Quarts
Bueno
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Reviewed in the United States on June 3, 2026
★★★★★ 5
switched from Mobil 1
Size: 5 Quarts
always used Mobil 1, my 2003 accord v6 always burned a little bit of oil, switched to this and it barely burns any at all now.
will continue to use this from now on.
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Reviewed in the United States on April 27, 2026