Type: wireless earbud + smart bracelet

Bluetooth: V5.0

Bracelet Dimensions: L*W*H=49.2MM*25mm*15mm

Screen Size: 1.4" IPS

Screen Resolution: 240*240

Touch Module: YES

Full touch Type: Lithium-ion polymer battery

Capacity: 3.7V/210mAh

Language: Simplified Chinese、Traditional Chinese、English、Deutsch、Korean、Español、Japanese、Français、 Русский、Arabic、Ukrainian、Português.

Features:

Metallic workmanship, two color strap and Milan metal strap are optional. T91 smart bracelet has 24 hours accurate detection of heart rate, blood pressure monitoring, blood oxygen monitoring, exercise monitoring, mileage, calorie consumption, message reminder, sleep recording, message reminder, remote control photo.