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| Model number | K21 |
| Screen | 1.4inch IPS Touch screen ,Pixel 240x240 |
| Chip | Spreadtrum SC8521E |
| Waterproof | IP67 |
| Battery | Lithium battery 650mAH |
| Normal use | 1-3 days |
| Material | Body: Plastic+ABS; Strap: Silicon |
| APP | SeTracker/SeTracker2 |
| 4G Video Call | By APP or VOLTE |
| Memory | RAM:2GB; ROM:4G |
| Location | GPS,AGPS,LBS,WIFI |
| 2G Network | GSM B2/3/5/8 |
| 3G Network | WCDMA B1/2/5/8 |
| 4G Network LTE | FDD-LTE: B1 B2 B3 B4 B5 B7 B8 B12(17) B20 B28A |
| SIM card | Nano SIM card |
| Calling | 3 SOS + 15 phone number |
| SOS | Support |
| Camera | ck |
| Dimension | 232*41.5*16.8mm |
Hot selling points:
Screen: 1.4inch IPS Touch screen ,Pixel 240x240;
Chip: Spreadtrum SC8521E
Waterproof: IP67;
Camera: ck
Battery: Lithium battery 650mAH, 663032
Location:GPS,AGPS,LBS,WIFI
Material: Body: ABS+PC , Strap: Silicon
APP:SeTracker/SeTracker2
Accessories:
Magnetic Charge cable (Pogo pin),screen driver, SIM card tools and user manual
Functions:
Positioning, Voice chat, SOS Two-way voice chat, 4G video call available, spam blocker and video chat via app on mobile Electronic fence (GEO),History tracking,Alarm clock,Find watch , phone book, working mode, Remote shutdown watch, support APP for Android and IOS smartphone. 4
G Network LTE:FDD-LTE: B1 B2 B3 B4 B5 B7 B8 B12(17) B20 B28A (Or B1 B3 B5 B7 B8 B38 B39 B40 B41)
Package Including:
1 * Smart Watch
1 * Charging Cable
1 * User Manual
1 * Retailed Box
