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Ships within 48 hours · Estimated delivery Aug 22 - Aug 27
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Description
YOUYIN WY998-Plus Built In 32G Memory IPX8 Waterproof Bone Conduction Sports Headphones for SwimmingIPX8 Waterproof RatingEnjoy worry free use during swimming and intense water activities with superior waterproof protection. 32GB Built in MemoryStore a vast library of audio files directly on the device, supporting multiple formats including MP3, FLAC, AAC, WAV, M4A, and APE. Bone Conduction TechnologyExperience open ear listening that keeps you aware of your surroundings while enjoying your audio. Long lasting Battery LifeUp to 12 hours of playtime
- 【IPX8 Waterproof Rating】Enjoy worry-free use during swimming and intense water activities with superior waterproof protection.
- 【32GB Built-in Memory】Store a vast library of audio files directly on the device, supporting multiple formats including MP3, FLAC, AAC, WAV, M4A, and APE.
- 【Bone Conduction Technology】Experience open-ear listening that keeps you aware of your surroundings while enjoying your audio.
- 【Long-lasting Battery Life】Up to 12 hours of playtime on a single charge, perfect for extended workout sessions or long swims.
- 【Comfortable Sports Design】Engineered for a secure and comfortable fit during various physical activities and water sports.
- 【Convenient Controls】Easy-to-use 3-key system for volume adjustment and multi-function control, allowing for effortless operation during workouts.
Specifications:
- Prompt tone: English (can be customizable)
- Operation: 3 Keys volume up/volume down, multi-function key
- Supports audio formats: MP3/FLAC/AAC/WAV/M4A/APE , need extra cost)
- Battery: 180mAh Rechargeable Polymer Battery
- Play time: 8-12 hours (different volume settings will result in different playing time)
- Charging time: 2h
- Waterproof grade: IPX8
Package included
- 1 x Headphones
- 1 x Charging Cable
- 1 x Chinese and English Manual
Specifications
| Brand | N/A |
| Color | As Shown |
| Packaging Type | Colored Box |
| Plug Type (For Supply) | N/A |
| User Manual (Language) | English and Chinese |
| Gross Weight | 0.212kg |
| Volume Weight | 0.226kg |
| Package Length | 15.500cm |
| Package Width | 12.300cm |
| Package Height | 5.300cm |
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
4.5 ★★★★★
Based on 11 reviews
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Product Reviews
★★★★★ 5
A Must for Nighttime Fetch!!
Color: A) 2-Pack (2.5" Balls)
These are an absolute Must!! We have an ESS who is nearly 2yo and destroys Every toy he has. For some reason, he doesn't try to annihilate these glow balls. If he chomps on them, it's just for a moment while he is bringing it back to you. Has just a little weight to them so it goes far enough when thrown and a nice bounce when we have to play in the house, due to weather. Wish the bright 'glow' held a little longer but stays dim for quite some time and overall, just Awesome! Also purchased the 'chuck it' brand and sent them back because these were so much better. Will be buying more, if ever needed, but haven't had to because they are So Durable.
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Reviewed in the United States on April 12, 2026
★★★★★ 5
Awesome quality glow balls
Color: I) 8-Pack (2.5" Balls)
I have bought every glow ball on amazon many times over for my german shepherds. My longest lasting balls have been the chuck-it, they seem to glow longer and not get destroyed but are expensive. These glow balls are our new favorite and not only because of the low price. They hold a good glow longer are heavy duty and fit the chuck-it thrower perfectly. I am stocking up on these. Shipping was also next day so it's 100% buy on these.
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Reviewed in the United States on February 8, 2026
★★★★★ 3
Glow in the Dark Balls
Color: 2-Pack (3" Balls)
These balls are ok, not great. The reason they didn’t receive 5 stars is because they are hard/stiff, harder to throw & heavier than the the “Chuck It” glow in the dark balls. They did not hold up to heavy chewers as well as the aforementioned balls.
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Reviewed in the United States on May 15, 2026
★★★★★ 5
Light up and glow in the dark ball
Size: One-Size-for-Most
Definitely my girls favorite ball 😀. It disappears and I have to buy another one or she goes nuts. Glows in the dark, brighter with more sun. The bounce light up don’t last a real long time, too quick to quit for her but still loves it.
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Reviewed in the United States on May 13, 2026
★★★★★ 5
Durable & Bright - Great for Heavy Chewers
Size: One-Size-for-Most
Pros:
Extremely Durable: Survived an aggressive chewer where tennis balls failed.
Dual-Visibility: Features both internal flashing lights and a glow-in-the-dark "chargeable" surface.
Perfect Size: Fits comfortably in the mouth of a 40lb medium-sized dog. Same size as a tennis ball.
Cons:
Battery Life: Unsure how long the internal flashing lights will last (though it has held up well so far).
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Reviewed in the United States on February 8, 2026