Band Width:22mm Screen Size:2.19 Inch IPS Resolution:485*520 Screen Touch:Full Touch Front Shell:Brilliant Plating Zine-Alloy Back Case:IML Straps:Silica Gel Number Of Keys：Two Buttons (1 Side Button, 1 Rotate Button) CPU:B3218/8918F G Sensor:SC7A20E HR Sensor:Tianyi Hexin HSR3300 BT Version:5.0（LE+Basic） Shake:Flat Motor Battery:200mAh Lithium Battery Standby Time:10-15day Working Time:3-5day Charger Method:Wireless Charging SRAM:256KB FLASH:64MB Waterproof:IP65

Model: D20 Ultra

Screen size: 1.44

Camera: none

Communication function: support

Additional functions: video entertainment, step counting, mobile

positioning, monitoring, social entertainment, smart

reminder, remote selfie, health monitoring, information push,

tracking/alarm, motion tracking, sleep analysis, others

Menu language: Multilingual

Communication type: no card inserted

Packing list: manual charger machine strap

Wireless distance: 5m (inclusive)-10m (inclusive)

Applicable people: women, men, business, neutral, public, teenagers,

couples, fashion, adults, the elderly, other

Body memory: 128

Battery capacity: 380

Waterproof grade: life waterproof

Operation mode: touch

Charging method: wireless charging

Wristband material: tpu

Screen Type: IPS

Compatible system: fully compatible

Compatible platform: ANDROID

Wearing method: wristband