









Y15 In-Ear Waterproof Swimming Headphones with 32GB Storage
The Y15 is a professional in-ear swimming headphone designed for users who prefer in-ear wearing and immersive sound. Featuring swimming-grade waterproof rating and 32GB built-in storage, it supports both Bluetooth 5.4 connection and local MP3 playback for underwater use. With magnetic charging design and 35g lightweight body, this underwater MP3 earphone delivers immersive sound quality for lap swimming and water sports. It supports full OEM customization for B2B bulk orders.
IPX8 Waterproof
Bluetooth 5.3
32GB Storage
12H Playtime
Color Options
Y15 Quick Specs
- Swimming-Grade Waterproof Rating
- In-Ear Wearing Design
- 32GB Built-in Internal Storage
- Bluetooth V5.4 Wireless Connection
- Magnetic Charging Interface
- 35g Lightweight Body
Key Features
- 32GB Built-in Underwater MP3 Earphones 32GB large storage stores thousands of songs, supports local MP3 playback underwater, brings immersive music experience during swimming training.
- Bluetooth 5.4 Waterproof In-Ear Sports Headset Updated Bluetooth 5.4 chip provides stable wireless connection for out-of-water use, compatible with all mainstream Bluetooth devices.
- Magnetic Charging Swimming Grade Earphones Magnetic charging design ensures better waterproof sealing, easy to charge and durable for long-term underwater use.
Application Scenarios

Lap Swimming
In-ear design for immersive underwater music

Water Aerobics
Stable wearing for water fitness activities

Recreational Swimming
Suitable for casual swimming users

Daily Sports
Can be used for running and gym out of water
OEM & Custom Specifications
| Item | Y15 Standard Version | Y15 OEM Custom Service |
|---|---|---|
| Wearing Type | In-Ear Design | Custom ear tip size & material |
| Waterproof Grade | Swimming-Grade | – |
| Storage | 32GB Built-in | Custom storage capacity |
| Bluetooth Version | V5.4 | Custom firmware |
| Charging | Magnetic Charging | Custom charging solution |
| MOQ | 100 Units | 100 units for logo custom |
| Lead Time | 7-15 Days | Negotiable |
Quality Control & Testing Grid

Salt Spray Test

High & Low Temperature Test

IP68 Deep Water Test

Earhook Fatigue Test
Every Y15 in-ear swimming headphone undergoes strict waterproof sealing test and wearing comfort test, ensuring reliable waterproof performance and comfortable wearing experience for end users.
Compare Y15 to Other Models
| Model | Y15 (In-Ear) | Y10 (Bone Conduction) | Y16 (Bone Conduction) |
|---|---|---|---|
| Wearing Type | In-Ear | Open-Ear Bone Conduction | Open-Ear Bone Conduction |
| Storage | 32GB | 32GB | 32GB |
| Sound Experience | Immersive Isolated Sound | Open-Ear Ambient Aware | Open-Ear Ambient Aware |
| Waterproof | Swimming Grade | IP68 | IP68 |
| Playback Time | 8h | 8h | 12h |
| Core Positioning | In-ear immersive swimming | Open-ear flagship swimming | Open-ear long battery |
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FAQ
Q1: What is the difference between in-ear and bone conduction swimming headphones?
In-ear headphones deliver immersive sound with better sound isolation, while bone conduction headphones keep ears open for situational awareness and more comfortable long-time wearing.
Q2: Can in-ear swimming headphones be fully submerged?
Yes, the Y15 has swimming-grade waterproof rating, it can be fully submerged in water and works normally for lap swimming and water sports.
Q3: How many songs can 32GB in-ear swimming headphones hold?
32GB storage can hold about 6000-8000 MP3 songs, which fully meets the music needs of daily swimming training.
Q4: Are in-ear swimming headphones comfortable to wear?
The Y15 comes with soft ear tips in different sizes, which fit the ear canal stably and comfortably, and will not fall off easily during swimming.
Q5: Can I use Bluetooth mode underwater with in-ear headphones?
Bluetooth signal cannot transmit underwater, so you need to use local MP3 mode underwater, and Bluetooth mode is used for out-of-water scenarios.
Q6: Can I custom ear tips and packaging for my brand?
Yes, we support custom ear tip material, color, logo printing and packaging design for bulk orders, with MOQ starting from 100 units.
Ready to build your order with Y15?

Yong YuNG
Your Trusted Partner for Innovation,
Quality and Growth.
OEM / ODM
- OEM Service
- ODM Service
- Private Label
- Custom Packaging
Products
- Email: zyayagg@gmail.com
- WhatsApp: +86 13603033823
- Add: Shenzhen