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Spec. Model R8

Hardware specifications and feature overview: JAMES Emergency Watch R8


User manual: JAMES Emergency Watch R8 manual


Hardware

Model

R8

Dimensions / weight

43 x 43 x 12.8 mm / 45 g

IP protection class

IP67

Display

1.28 inch TFT, 240 x 240 px, touchscreen

Button

One SOS / on / off button

Speaker

0916 stereo monomer

CPU chipset

Unisoc SC8910FF

Operating system

Thread X (RTOS)

Positioning

GPS + LBS + WIFI + AGPS + Google Position Service

GPS antenna

LDS external laser curved

GPS chip

MTK3336

RAM + ROM

32MB + 16MB

Sensors

PAH8009: heart rate, blood pressure, SpO2, NST117: temperature

3D accelerometer

DA217

Charging port

Magnetic, 2-pin, with magnetic charging cable

Operating temperature

-10°C to +60°C

Strap

18 mm silicone strap


Battery

Battery

3.8V / 650mAh, rechargeable

Battery type

Lithium polymer

Charging voltage

5V / 1A

Standby / charging time

4 days, 90 minutes


Network and SIM

Frequency bands

GSM: 900/1800mHz 4G LTE: B1, 3, 7, 8, 20, 38, 40 (with local SIM)

SAR values

GSM 900: 0.566 W/kg (SAR 10g) GSM 1800: 0.355 W/kg (SAR 10g) LTE B1, 3, 7, 8, 20, 38, 40: 0.601 W/kg (SAR 10g)

SIM size

Nano

Operator

SWISSCOM (Switzerland with prefix +41) or TELE2 (Sweden with prefix +46)

Roaming

Roaming in all EU networks


Packaging

Package size / weight

72 x 78 x 100 mm / 120 g

Carton size / weight

50 pcs: 22 x 40 x 38 cm / 9.5 kg

Contents

1 x R8 watch, 1 x user manual, 1 x magnetic charging cable, 1 x plug


Features


Alarms (phone call, SMS, email, push notification to the app)

  • Alarm via button press to up to 10 private contacts
  • Fall detector with 3 different sensitivity levels
  • Optional: alarm when leaving a geofence area for longer than 5 minutes (for people with dementia)
  • Optional: 24/7 alarm receiving call centre to process alarms and alert emergency services


Warnings (SMS, email, push notifications)

  • Low battery warning
  • Signal loss warning if there is no data connection to the watch
  • Warning if no steps have been measured by a configurable time in the morning


Notifications (push notifications to the app)

  • Notifications to contacts about the first steps of the day


Position

  • Retrieve the location at any time


Phone calls

  • Incoming call at any time


Vital values

  • Frequent measurements configurable and measurement can be started on demand via the watch
  • Pulse and blood pressure
  • Blood oxygen
  • Temperature


Chat function

  • Via the JAMES app or the web portal, contacts can send text messages to the watch. These can be answered with voice messages via the watch.


App and web portal

  • Family app “JAMES APP” for Android and iOS
  • JAMES web portal for relatives


Updated on: 04/02/2026

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