Voice assistant built-in:No
Bluetooth-compatible Version:5.0
Metrics measured:Blood Pressure Monitor,Heart Rate Monitor,Blood Oxygen Monitor,Sleep Monitor
Activity Tracked:Activity Tracker,Steps Tracker,Distance Tracker,Calorie Tracker
Category:Smart Watches
Band Detachable:Yes
Display Size:1.4"
Application Age Group:Adult
Waterproof Grade:Life Waterproof
SIM Card Available:Yes
Mechanism:No
Multiple Dials:No
GPS:Yes
Network Mode:4G
Battery Capacity:300-450mah
Rear Camera:None
RAM:1GB
ROM:16GB
System:Wear OS
Type:On Wrist
Compatibility:Android
Language:Greek,English,Turkish,Korean,Arabic,Indonesian,Japanese,Italian,Russian,Spanish,French,Ukrainian,Hebrew,German,Polish,Dutch,Norwegian,Portuguese
Function:Interactive Music,Passometer,fitness tracker,sleep tracker,Answer Call,Call Reminder,Message Reminder,Push Message
Samsung Model:galaxy watch 4
Origin:Mainland China

Notice:
Galaxy Watch4 44MM needs to be connected to a smartphone in order to use the sleep management function.
The product is refurbished, fully functional, and in excellent condition.
- This pre-owned product about 95% new
- This product is in "Excellent condition". The screen and body show no signs of cosmetic damage visible from 12 inches away.
- This product will have a battery that exceeds 80% capacity relative to new.
- Accessories may not be original, but will be compatible and fully functional. Product may come in generic box.
- Product will come with a SIM removal tool, a charger and a charging cable. Headphone and SIM card are not included.
-If you choose "LTE version"， so you can leave your phone where it is and still be connected. With LTE data, you can stream, text, use the integrated mic to make calls, and more. You can do all of this manually or by using voice commands through the Bixby digital assistant. Please check with your carrier to ensure compatibility with their network and additional LTE data fees may be required.
- Refurbished phones are not guaranteed to maintain their waterproof seal.
Galaxy Watch4 44mm Features:
CPU Speed:1.18GHz Dual-Core.
Display:1.4" Super AMOLED
RAM Size:1.5GB.
ROM Size :16GB.
Resolution (Main Display):450 x 450.
Dimension (HxWxD):44.4 x 43.3 x 9.8 mm.
Battery Capacity :361mAh.
Typical Usage Time (Hours):Up to 40 Hours.
Audio Playing Format:MP3,M4A,3GA,AAC,OGG,OGA,WAV,AMR,AWB.
Bluetooth Version:Bluetooth v5.0.
Weight:30.3 g.
Location Technology:GPS,Glonass,Beidou,Galileo.
Wi-Fi:802.11 a/b/gGPS,Glonass,Beidou,Galileo/n 2.4+5GHz.
NFC:Yes.
Bluetooth Profiles:A2DP,AVRCP,HFP,HSP.
OS:Wear OS Powered by Samsung
Sensors:Accelerometer, Barometer, Gyro Sensor, Geomagnetic Sensor, Light Sensor, Optical Heart Rate Sensor, Electrical heart sensor, Bioelectrical Impedance Analysis Sensor.
Fitness within arm's reach
Don't just listen to your body. Know it
Track your fitness progress with our first smartwatch that conveniently measures body composition. Get to know your body fat percentage, skeletal muscle, body water and more to achieve your goals. The Samsung BioActive Sensor and our fastest chip brings the biggest innovation to Galaxy Watch yet.
Don't just listen to your body. Know it
Track your fitness progress with our first smartwatch that conveniently measures body composition. Get to know your body fat percentage, skeletal muscle, body water and more to achieve your goals. The Samsung BioActive Sensor and our fastest chip brings the biggest innovation to Galaxy Watch yet.
Track your progress toward your health goals
Set targets for your weight, body fat percentage, and skeletal muscle. Track your progress and receive reminders on your Galaxy Watch4 to keep you motivated. Celebrate your achievements with badges and build a healthy body from the inside out.
Your workout buddies have your back
Enjoy every step you take with your friends and family with the Galaxy Watch4. Track your steps and compete with friends in a fun competition through a live message board. Challenges come with commemorative badges and a point system to make exercise fun, motivating and socially rewarding.
Advanced insights for runners and cyclists
Measure how your body performs during a workout and check your heart rate level as you recover. With advanced index and interval training available on Galaxy Watch4, you can optimize your workouts and train for new performance goals.
BLOOD PRESSURE & ECG
Meet the Samsung BioActive Sensor that measures ECG and blood pressure in real time. After initial calibration, the sensors quickly check your blood pressure. You can also check abnormal heart rate and rhythm through ECG and send data straight to your phone to be easily shared.
A watch that's watching out for you
Blood Pressure Measure Blood Pressure using an Optical Heart Rate Sensor known as the PPG Sensor.
ECG Measure ECG using an Electrical Heart Sensor.
The most holistic sleep analysis on Galaxy watch
The sleep tracker detects and holistically analyzes your sleep stages while you rest. Improved measuring options let you check your blood oxygen levels and snoring patterns (not saying you do). Plus, get advanced insights from the National Sleep Foundation for better sleep quality and duration.
Your coach to bedtime bliss
Learn how to develop healthy sleep habits with Sleep coaching. By tracking your sleep patterns and completing sleep surveys, our program assigns 1 of 8 sleep symbol animals that represents your sleep type. It then provides a 4 to 5 week coaching program with helpful sleep tips, missions and checklists.
A new day. A new watch face
Choose between analog or digital watch faces with a variety of backgrounds, fonts, and colors to match your tastes, the weather, or occasion. Spice up your character watch faces with AR Emojis to express your style, while animated graphics show what you're up to, like running or listening to music.
New operating system ,it's a real team player
The first smartwatch with Wear OS Powered by Samsung, Galaxy Watch4 puts seamless access to your favorite apps on your wrist. You'll get a rich app selection from music streaming apps to anything in the massive library of health and fitness apps.
Q&A
Q: What is your store warranty rules?
A:1 Years Store Warranty
(1) Offer refund or replace within 3 days upon delivery, we do not bear returned shipping cost;
(2) Offer repair within 30 days upon delivery, we bear the shipping cost for sending back to you;
(3) Offer repair after 30 days upon delivery, but you bear two way shipping cost;
Notice:
for full refund, please send full package back (including all accessories); for repair or replace, please send only product without accessories.
Q: I need pay for customs duty?
A: Because Different countries have different tax policies. You may be charged custom duties and taxes for something purchased online. Buyers are responsible for custom taxes, our saling price does not include any custom taxes.
Notice:
The cost of return or lost parcel would be on buyer due to reject cutoms clearance. We don't accept dispute of customs problem.thanks your understand.