K8 16GB Built-in IP68 Bone Conduction Swimming Headphones
The K8 is a professional mid-range bone conduction swimming headset with true bone conduction technology. Equipped with IP68 professional waterproof rating and 16GB built-in storage, it supports both Bluetooth 5.0 connection and local MP3 playback for underwater use. With 350mAh large battery providing 8-12 hours ultra-long endurance and 2 hours fast charging, this waterproof swimming headphone is designed for regular swimmers and triathlon lovers. It supports full OEM customization for B2B bulk orders.
IP68 Waterproof
Bluetooth 5.0
16GB Storage
8-12H Playtime
Color Options
K8 Quick Specs
- IP68 Professional Waterproof Grade
- 16GB Built-in Internal Storage
- Bluetooth 5.0 + Local MP3 Dual Mode
- True Bone Conduction Technology
- 350mAh Battery / 8-12 Hours Playback
- 2 Hours Fast Charging
Key Features
- 8-12 Hours Long Battery Waterproof Headphones Built-in 350mAh high-capacity battery, delivers 8-12 hours continuous playback, meets long-time swimming training and all-day outdoor sports needs.
- True Bone Conduction Technology Swimming Headset Adopts premium true bone conduction transducer, delivers clear sound quality with less sound leakage, provides professional open-ear listening experience for swimmers.
- 2h Fast Charging Underwater Bone Conduction Earphones Supports 2 hours full fast charging, short charging time reduces waiting, very suitable for commercial swimming venues and training centers.
Application Scenarios
Lap Swimming
IP68 waterproof for regular pool training
Triathlon
Dual playback mode fits different race segments
Open Water Sport
Stable performance in open water environment
Daily Training
Long battery life meets daily training needs
OEM & Custom Specifications
| Item | K8 Standard Version | K8 OEM Custom Service |
|---|---|---|
| Product Type | IP68 Bone Conduction Swimming Headset | Full custom solution available |
| Waterproof Rating | IP68 Professional Grade | Custom waterproof test standard |
| Storage | 16GB Built-in | 8GB-32GB custom capacity |
| Battery Life | 8-12 Hours | Custom battery capacity upgrade |
| Charging Time | 2 Hours | Custom charging solution |
| MOQ | 100 Units | 100 units for logo, 500 for full custom |
| Lead Time | 7-15 Days | Negotiable based on order volume |
Quality Control & Testing Grid
Salt Spray Test
IP68 Waterproof Immersion Test
Battery Cycle Life Test
Sound Leakage Test
Every K8 swimming headset undergoes strict waterproof immersion test and sound performance test before shipment, ensuring reliable waterproof performance and stable sound quality for long-term underwater use.
Compare K8 to Other Models
| Model | K8 | Y10 | Y16 |
|---|---|---|---|
| Waterproof Grade | IP68 | IP68 | IP68 |
| Storage Capacity | 16GB | 32GB | 32GB |
| Bluetooth Version | 5.0 | 5.4 | 5.3 |
| Playback Time | 8-12h | 8h | 12h |
| Charging Speed | 2h Standard | Magnetic Charging | 1.5h Fast Charge |
| Core Positioning | Mid-range swimming flagship | High-storage premium | Long battery professional |
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FAQ
Q1: Can you use bone conduction headphones for lap swimming?
Yes, the K8 with IP68 professional waterproof rating is specially designed for swimming, it can be fully submerged in water and works normally in pool for lap swimming training.
Q2: How many songs can 16GB bone conduction headphones hold?
16GB storage can hold about 3000-4000 MP3 format songs, which fully meets the music needs of daily swimming training and long-time sports.
Q3: Does Bluetooth work underwater with bone conduction headphones?
Bluetooth signal cannot transmit underwater, so the K8 supports local MP3 playback mode for underwater use, and Bluetooth mode is used for out-of-water scenarios.
Q4: How long does K8 swimming headphones last on one charge?
The K8 has a built-in 350mAh battery that provides 8-12 hours of continuous playback on a full charge, which can support multiple swimming training sessions.
Q5: Can I custom logo on swimming headphones for my brand?
Yes, we support custom logo printing, custom colorway and custom packaging for bulk orders, with MOQ starting from 100 units for logo service.
Q6: What is the difference between true bone conduction and ordinary ones?
True bone conduction technology transmits sound through bone vibration, with higher sound transmission efficiency, less sound leakage and more comfortable wearing experience than ordinary conductive headphones.
Ready to build your order with K8?
Yong YuNG
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