| Product Name | Smart AI Voice Ring |
| BLE Version | V5.4 |
| Transmission Frequency | 2.4–2.48 GHz |
| Transmission Distance | 10 m |
| Flash Capacity | 64 Mb |
| Sensors | Heart Rate Sensor, G-Sensor |
| Microphone | 1 × Omnidirectional Microphone |
| Interaction Method | Touch Control |
| Charging Interface | Standard Magnetic Charging |
| Optional Accessory | Charging Box |
| Total Recording Duration | Approx. 3 Hours |
| Charging Time | Approx. 2 Hours |
| Battery Capacity | Sizes 7–9: 18 mAh; Sizes 10–13: 22 mAh |
| Theoretical Standby Time | 7–10 Days |
| Net Weight | 4.5 g |
| Thickness | 2.5 mm |
| Ring Size | Inner Diameter | Inner Circumference |
|---|---|---|
| 7 | 17.4 mm | 54.66 mm |
| 8 | 18.2 mm | 57.18 mm |
| 9 | 19.0 mm | 59.70 mm |
| 10 | 19.9 mm | 62.52 mm |
| 11 | 20.7 mm | 65.03 mm |
| 12 | 21.5 mm | 67.55 mm |
| 13 | 22.3 mm | 70.06 mm |













Shenzhen Gainstrong Technology Co,.Ltd. is an enterprise that focus on the R&D of AI products and provides customers with software and hardware solution.We support OEM/ODM orders.Our company was established in 2011,covering an area of 3000 squre meters and employing over 300 people.We have 6 SMT lines and 6 assembly lines to meet your fast delivery needs for bulk orders.Our factory has passed ISO9001 certification and a professional quality inspection team to ensure quality.Starting from 2023,we are commited to R&D of AI products include microphones with chatgpt,bone conduction earphones,bluetooth translation earphones,translator,smart mouse and so on.





The ring operates on BLE V5.4 with a 2.4–2.48 GHz transmission frequency and a range of up to 10 meters. It features 64 Mb flash capacity, touch control interaction, an omnidirectional microphone, and built-in heart rate and G-sensors.
The ring comes in standard sizes from 7 to 13, covering inner diameters from 17.4 mm to 22.3 mm and inner circumferences from 54.66 mm to 70.06 mm. Net weight is ultra-lightweight at 4.5 g with a thickness of 2.5 mm.
The device provides a theoretical standby time of 7–10 days and approximately 3 hours of continuous recording duration. Battery capacities are 18 mAh for sizes 7–9 and 22 mAh for sizes 10–13, charging fully via standard magnetic charging in around 2 hours. An optional charging box is also available.
Yes, Gainstrong provides full OEM/ODM services, offering integrated hardware and software development solutions tailored to client brand requirements.
Established in 2011, Gainstrong operates an ISO9001 certified 3,000 square meter facility with over 300 employees, equipped with 6 SMT lines and 6 assembly lines for high-efficiency bulk order fulfillment and rigorous quality inspection.