Newest Sim Card Built Programmable 4G Smart Watch DM20 With Voice sending and wifi connect

 1 CPU:MT6739M
2 RAM+ROM:1GB+16GB
3 Screen size:1.88 inch 360*320 IPS touch capacitance screen
4 OS:Android 7.1
5 Bluetooth:Ver 4.0
6 Frenquency :GSM 850/900/1800/1900(2G net) , WCDMA 2100/1900/900/850 (3G net) TD-SCDMA: B34/B39,LTE-FDD:B1/B2/B3/B5/B7/B12/B20,LTE-TDD:B38/B39/B40/B41(100MHz) (4G net )
7 Camera:2.0MP
8 Battery:700mAh ,Bluetooth standby :1-2days , Normal use: 1 days
9 Functions:Real-time heart rate detector,Pedometer analysis,sedentary remind,sleep monitoring,anti-lost,Information sync,Sensor Hub,Google play,Google now,Google map,Weather,Facebook ,Twitter,Whatsapp ,Voice search,Calendar,Alarm,Music,phonebook ,phone call,etc
10 WIFI:YES 11 GPS:YES,compatiable with Glonass or Beidou 12 Waterproof:IP67 13 Language:Multi-language

1.Professional factory with 11 years experience in producing,cheapest original factory price and fast deliverying time.

2.Senior engineer are supplierd the technical reply and Qc staff are always serviced for the aftersale quality.

3.Producing line, work office, it is more convenient for customer to visit our factory and talk business. 

4.Nice price, do not heasitate, just contact us when u have free time.

Q1: How long is your Warranty of smart watch? How can you carry smartwatch out ?

Usually we offer 12 Months Warranty for smart watch( details please ask by email )

Q2: Can I get samples of smart watch?

Yes! You can!You are welcome to place a sample order to check our superior quality and service!

Q3: What’s the delivery time? (How long do you need to prepare smar watch?)

1-2 days for sample orders,3-10 days for bulk order (based on different quantities).

Q4: How will you deliver smart watch to me? How long do I need to wait before smar watch arrive?

You can select shipping options possibly, such as DHL, UPS, FedEx, TNT ,EMS to enable our customers get their goods rapidly at door.

We also ship by economic method such as air cargo and sea cargo, Direct line, Air Mail according to clients' request.

3-7 days for international express, 5-7 days for air cargo, 20-40 days by sea cargo.

Q5: How about your smart watch quality?

We provide unrivaled Quality - Very rigorous testing process for Incoming Quality Control, Input Process Quality Control,

and Final Quality Control for every piece. We follow at least 18 QC test procedure,and do 100% FQC to ensure your satisfaction.

Q6: Can you print my brand name (logo) on these smart watches?

Yes! We can provide professional OEM services to make it your brand even for your trial sample order, like display start up logo on screen,

print/laser logo on smartwatch back and front and Gift box Package

Q7: How much do I need to pay for your OEM smart watch?

If your order is over 200pcs, we can make your own brand display logo for free! About other more details, it’s according to your special requirement.

  Pls go to the home page to visit our potential products !