Smartwatch Specifications – Model B31M
Core Parameters
-
Operating System: Android 8.1
-
Chipset: UNISOC SL8541E
-
Quad-core Cortex-A53, up to 1.4GHz
-
GPU: Mali T820 MP1 @680MHz
-
-
Memory: 2GB RAM + 16GB ROM (eMCP, 667MHz LPDDR3)
-
Display: 2.02" IPS, 320 × 385 resolution
-
Glass: Truly
-
Touch: Two-point capacitive
-
-
Bluetooth: V2.1 + EDR / V4.2 Low Energy
-
WiFi: 2.4GHz, 802.11b/g/n
-
GPS: GPS / Beidou / GLONASS
-
SIM Card: Nano SIM, single slot
-
Microphone: Wired
-
Speaker: Receiver/Speaker 2-in-1
-
Battery: 730mAh Li-ion Polymer
-
Charging time: ~2h
-
Usage: 1–2 days
-
Standby: 3–5 days
-
-
Charging Method: Magnetic 2-pin Pogo base
-
Buttons: Power (double-tap screenshot), encoder/return key
-
Water Resistance: Not specified
-
Size: 50.08 × 43.75 × 16.9 mm
-
Sensors:
-
Heart Rate (HX3301)
-
3-axis Accelerometer
-
-
Camera: Pull-out 190° rotating, 2MP
-
NFC: Supported
-
External I/O: Charging/Data/Download/Power via expansion connector
-
Torch: Software-based only
Network Bands
-
2G: B2, B3, B5
-
3G: B1, B2, B5, B8
-
4G:
-
FDD-LTE: B1, B2, B3, B4, B5, B7, B8, B12, B17, B20, B28
-
TDD-LTE: B38, B39, B40, B41
-
Functions
-
Bluetooth Calling
-
SIM Calling / Messaging
-
Step Counter
-
Sleep / Heart Rate / Blood Pressure / Blood Oxygen Monitoring
-
Breathing Training
-
Sedentary Reminder
-
Voice Assistant (iFlytek)
-
Weather / Alarm / Music / Calendar / Calculator
-
Browser / Gallery / Recorder / Video Playback
-
Remote Photography
-
Flashlight (software based)
-
App Store (Zitong Market, Tencent MyApp)
-
OTA Updates
-
Power Saving Mode
-
3rd Party App Support: TikTok, WeChat, Alipay, QQ, Migu Music, Water Eject, etc.
-
Input Method: Sogou Keyboard
-
Course Schedule / Add Friends
Multimedia & Formats
-
Audio: MP3, AAC, AAC+, WMA, DRA, AMR-NB
-
Image: JPG, JPEG, BMP
-
Video Decode: 1080p @30fps
-
Formats: H.264, MPEG4, VP8, H.263
-
-
Video Encode: H.264, MPEG4
Languages
-
Interface Languages: Not specified
-
Manual Languages: Not specified
Packaging & Certification
-
Charging Base: Magnetic suction with 2-pin Pogo
-
Certification: CCC (ID: 2023201606000481)
-
Available Colors: Silver, Black