• Compact and discreet design for everyday wear.
• Stainless steel construction.
• Heart rate monitoring.
• SpO2 blood oxygen saturation monitoring.
• HRV and stress monitoring.
• Sleep monitoring.
• Step, distance and calorie tracking.
• Multiple sports modes.
• Touch control and gesture control.
• Remote phone camera shutter.
• Bluetooth 5.2 BLE.
• Declared battery life of approximately 5–7 days.
• QRing app.

• Product type: Smart Ring.
• Model: iSEN R11C.
• Material: stainless steel.
• Color: Black.
• Touch control: Yes.
• LCD display: No.
• Weight: approximately 3.2 g for size 7.

• Size 7: 17.4 mm.
• Size 8: 18.2 mm.
• Size 9: 19 mm.
• Size 10: 19.9 mm.
• Size 11: 20.7 mm.
• Size 12: 21.5 mm.
• Size 13: 22.3 mm.

• Chipset: Realtek.
• Chipset model: RTL8762 ESF.
• Memory: RAM 104KB + FLASH 512KB.
• Motion sensor: ST LIS2DOC.
• Heart rate sensor: HX3918.
• Touch Control: Yes.

• Heart rate monitoring.
• SpO2 blood oxygen saturation monitoring.
• HRV monitoring – heart rate variability.
• Stress level monitoring.
• Sleep monitoring.
• Female cycle tracking.
• Activity and exercise data recording.

Note: the monitoring functions are intended for general wellness and daily activity tracking and do not replace professional medical devices or medical evaluations.

• Step counting.
• Distance tracking.
• Estimated calories burned.
• Multiple sports modes.
• Exercise data recording.
• Activity information synchronization with the QRing app.

iSEN R11C offers interactive functions directly from the ring without requiring a traditional smartwatch display.

• Integrated touch control.
• Gesture control.
• Switching functions by touch.
• Remote control for taking photos.
• Ring finder function.
• Compatible gaming functions.

• Bluetooth: 5.2 BLE (Bluetooth Low Energy).
• Bluetooth Calls: No.
• Wi-Fi: No.
• NFC: No.
• GPS: No.

• Battery type: Lithium Polymer.
• Capacity for sizes 7–10: 15mAh.
• Capacity for size 11 and larger: 18mAh.
• Charging: magnetic.
• Charging time: approximately 1.5 hours.
• Declared battery life: approximately 5–7 days of use.
• Standby: up to approximately 15 days.

• App: QRing.
• Android: Android 5.1 or later.
• iOS: iOS 8.0 or later.
• Romanian language in the app: Yes.
• Synchronization of steps, sleep, heart rate and physical activity.
• Access to the history of data recorded through the app's compatible functions.

• Daily activity monitoring.
• Wellness monitoring.
• Sleep monitoring.
• Multiple sports modes.
• Gesture control.
• Touch control.
• Remote photo shutter.
• Ring finder function.
• Female cycle tracking.
• Compatible interactive and gaming functions.

• Protection rating: 1ATM.
• Stainless steel construction.
• Designed for everyday wear and continuous activity monitoring.

• Realtek RTL8762 ESF.
• HX3918 sensor.
• Bluetooth 5.2 BLE.
• Heart Rate, SpO2, HRV and stress.
• Sleep monitoring.
• Multiple sports modes.
• Touch Control.
• Gesture control.
• Remote Camera Control.
• Female Cycle Tracking.
• QRing app.
• 1ATM.

• Much more compact format than a traditional smartwatch.
• Low weight for everyday wear.
• Continuous activity and wellness parameter monitoring.
• Battery life of approximately 5–7 days.
• Touch and gesture control.
• Multiple sports modes.
• QRing app compatible with Android and iOS.
• Stainless steel construction.

• Sizes: 7 / 8 / 9 / 10 / 11 / 12 / 13.
• Inner diameter: between 17.4 mm and 22.3 mm, depending on size.
• Weight: approximately 3.2 g for size 7.

• 1 × iSEN R11C Smart Ring.
• 1 × Magnetic Charger.
• 1 × User Manual.