What are the new features in Xiaomi Mi Band 4?

MI Band 4:-

Weight :22.1g

Water Resistance Rating: 5 ATM

Display Type: AMOLED

Screen Size: 0.95"

Resolution: 120 x 240 RGB

Colour Depth: 24bit

Screen Brightness: Up to 400 nits (max brightness), brightness adjustable

Touchscreen type: On-cell capacitive touchscreen

Screen protection: 2.5D tempered glass with anti-fingerprint coating

Button: Single touch button (wake up, go back)

Wrist strap type: Removable wrist strap
(Mi Smart Band 4 is compatible with Mi Band 3 straps)

Wristband width: 18mm

Wrist strap material: Thermoplastic polyurethane

Adjustable wrist strap length: 155-216mm

RAM: 512KB

ROM: 16MB

Sensors: 3-axis accelerometer + 3-axis gyroscope;
PPG heart rate sensor;
Capacitive proximity sensor

Wireless connectivity: BT5.0 BLE

Battery: LiPo, 135mAh

Charging Type: 2Pin Pogo Pin

Charging time: <=2 hours

Standby time: Up to 20 days

Motor Type: Rotor

Body material: Polycarbonate

App: Mi Fit

System requirements: Android 4.4, iOS 9.0 or above

Features

Sport Functions: 6 workout modes: Treadmill, exercise, outdoor running,
cycling, walking, pool swimming; Count steps, distance,
and calories burned

Health monitoring: Workout completion notifications, goal setting, sleep monitoring,
heart rate monitoring, all-day heart rate checking, resting
heart rate, heart rate chart, idle alerts

Other features: Alarme, sensor de proximidade, face de relógio pré-definida, face de relógio personalizável,
tela de bloqueio, temporizador, cronômetro, alarme e notificações do telefone,
chamadas, notificações de mensagens, notificações de calendário, notificações de aplicativo,
previsão do tempo, Localizar meu telefone, desbloqueio do telefone, notificação de eventos,
Modo noturno, Modo não perturbar (funciona mesmo sem telefone), música
controles na banda, transmissão Bluetooth, exibição do nível da bateria, diferentes
vias de uso, atualizações de OTA

Espera que isso seja útil..