Samsung Electronics Galaxy Watch 4 44mm R870 Smartwatch GPS WiFi Bluetooth International Model Black SM-R870
Galaxy Watch4 works as an extension of your phone so you can talk, stream, and text from your wrist on the go
Google on Your Wrist: Tap into the power and convenience of select Google services and apps; Pay for coffee, get directions to the park, use Google Assistant or Bixby, and stream from YouTube Music
Timeless Design, Elevated Style: Show of your style with a luxurious and timeless watch design that’s great for any occasion; Personalize your look even more with a range of stylish watch faces and bands
Galaxy Watch SM-R870 44MM
Compatible with Android Phones Running Android 6.0 and Above. NOT compatible with iOS.
Samsung Electronics Galaxy Watch 4 44mm R870 Smartwatch GPS WiFi Bluetooth International Model Black SM-R870
NETWORK Technology
GSM / HSPA / LTE
2G bands GSM 850 / 900 / 1800 / 1900
3G bands HSDPA 850 / 900 / 2100
4G bands 1, 3, 5, 7, 8, 20
Speed HSPA 42.2/5.76 Mbps, LTE
BODY Dimensions 44.4 x 43.3 x 9.8 mm (1.75 x 1.70 x 0.39 in)
Weight 30.3 g (1.06 oz)
Build Glass front (Gorilla Glass DX+), aluminum frame
SIM eSIM
MIL-STD-810G compliant*
50m water resistant (IP68)
Compatible with standard 20mm straps
ECG certified
Blood pressure monitor
Rotating bezel
*does not guarantee ruggedness or use in extreme conditions
DISPLAY Type Super AMOLED
Size 1.4 inches
Resolution 450 x 450 pixels (~321 ppi density)
Protection Corning Gorilla Glass DX+
Always-on display
PLATFORM OS Android Wear OS, One UI Watch 3
Chipset Exynos W920 (5 nm)
CPU Dual-core 1.18 GHz Cortex-A55
GPU Mali-G68
MEMORY Card slot No
Internal 16GB 1.5GB RAM
CAMERA No
SOUND Loudspeaker Yes
3.5mm jack No
COMMS WLAN Wi-Fi 802.11 a/b/g/n, dual-band
Bluetooth 5.0, A2DP, LE
GPS Yes, with A-GPS, GLONASS, GALILEO, BDS
NFC Yes
Radio No
USB No
FEATURES Sensors Accelerometer, gyro, heart rate, barometer
Natural language commands and dictation
Samsung Pay
BATTERY Type Li-Ion 361 mAh, non-removable
Charging Qi wireless charging