KaiSai DF999 Smart Ring Controller: Bluetooth 5.3 wireless remote control
For the busy professional or student who needs to flip pages hands-free during presentations or reading, this Smart Ring Controller is your discreet assistant. It's not just a remote; it's a tool for seamless multitasking, letting you control your device without breaking focus.
Wear it on your finger, and the velvety texture feels comfortable during long sessions. The magnetic adsorption design keeps it secure when not in use. With Bluetooth 5.3, it connects instantly to your iOS or Android device, and the up, down, and center buttons respond with a soft click you can feel without looking.
Charge it for just 30 minutes, and it lasts through days of use, with the included case providing extra power on the go. The IPX8 waterproof rating means it handles accidental spills, so you can use it worry-free. This lightweight ring fits any size and works up to 10 meters away, making it perfect for controlling e-books or social media like TikTok from across the room.
Features
- Page turner for electronic books and TikTok
- Rechargeable battery with charging case included
- Adjustable ring size with velvety texture
- IPX8 waterproof rating
- Lightweight and ergonomic design
- Bluetooth 5.3 wireless remote control
General specs
- Brand: KaiSai
- Model: DF999
- Seller: Joom
- ID: 68fa2f2d6a13f601d4d5a0ff
- Connectivity: Bluetooth
- Charging Method: Wireless
- Bluetooth Version: 5.3
- First listed by seller: 12/6/25
If you are interested in more details, you can find full information on the seller's page.
Shipping options
United States
Comparison with similar products
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| Brand | KaiSai | Gwenland | Hivisuals | Gwenland | Anarow | Anarow |
| Model | DF999 | SR08 | sr08 | SR08 | R10M | R10M |
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| Price | $10.56 | $34.99 | $49.99 | $35.98 | $139.99 | $57.13 |
| Seller | Joom | Amazon | Amazon | Amazon | Amazon | Amazon |
| Update | December 22, 2025 | December 6, 2025 | July 19, 2025 | November 20, 2025 | December 6, 2025 | December 6, 2025 |
| Connectivity | Bluetooth | Bluetooth | Bluetooth | Bluetooth | Bluetooth | |
| Charging Method | Wireless | Magnetic, Wireless | Magnetic | |||
| Bluetooth Version | 5.3 | 5.0, 5.1, 5.2, 5.3, 5.4 | 5.0 | 5.0 | ||
| Size | 11 | 9 | 6, 7, 8, 9, 10, 11, 12, 13, 14, S, M, L | 9 | 7 | |
| Weight | 0.73 | 99.22 | 99.22 | |||
| Battery Life | 5–7 d, 10–15 d standby | 3–7 d | 3–5 d, 5–7 d, 7–10 d, 7 d, ≤11 h, 8 h, 7–10 d standby, 15 d standby | 3–5 d, 7–10 d standby | ||
| Display Type | LED | LED | LED | AMOLED | ||
| Charging Time | 1, 1 | 3 | 1 | |||
| OS Compatibility | Android 5.0+, iOS 10+ | iOS, Android | Android, iOS | Android 5.1+, iOS 8+ | ||
| Water Resistance | IP68 | IP68 | IP68 | 5ATM | 5ATM | |
| Material | Aluminum Alloy, Ceramic, Gold, Metal, Stainless Steel, Titanium, Titanium Alloy | Silicone | Metal | |||
