Specifications
14 details in 4 sections — scan the left column to find one.
| Battery life | Up to 7 days per charge |
|---|---|
| Charging time | 90-120 minutes to full on the supplied dock charger |
| Body material | Fighter-jet-grade titanium shell with a diamond-like carbon coating |
|---|---|
| Inner shell finish | Hypoallergenic medical-grade titanium for all-day skin contact |
| Body vitals tracked | Heart rate, SpO2 blood-oxygen saturation and heart-rate variability via Philips PPG optics |
| Body temperature tracking | Skin-temperature sensing for trend tracking |
| Body motion tracking | 3-axis accelerometer for steps, distance and calorie burn |
| Water resistance | IP68 rated |
| Size options | Sizes 6 to 12 |
| Colour options | Midnight Black, Lunar Black, Stardust Silver, Sunlit Gold, Rose Gold |
| Membership service | No subscription required to view health insights |
|---|---|
| Warranty | Manufacturer 12 months |
| Bluetooth connectivity | Bluetooth sync to the Luna Ring app on Android and iOS |
|---|---|
| Box | OEM original packaging |
In the box
- Device
- Charger
- Documentation
Editors' picks
Hand-picked by our team.
From order to doorstep
The same six steps.
- 01 / 06
Order placed
You submit this upgrade and your trade-in details. It's free — no card up front.
- 02 / 06
Visit scheduled
You pick a doorstep slot. An agent is on the way, typically within 24–48h.
- 03 / 06
Verified on-site
The agent inspects your old device and confirms a value with you in person.
- 04 / 06
Payment confirmed
We email a Razorpay link for the exact difference — nothing more. Payment is only ever confirmed via Razorpay’s verified webhook.
- 05 / 06
Procuring
We source your new device once payment is confirmed.
- 06 / 06
Delivered
Your new device arrives at your door, 24–48h after acceptance.
Common questions
The essentials for this device.
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Trade up to the Luna Ring (2025)
Pay only the difference.