Zeblaze Btalk Lite.
Display: 1.83′′ HD TFT, 600 nits brightness, 240*285 pixels.
Dimension: 44.5 x 38 x 10.8mm, 37g.
Battery: 230 mAh, 14 days with normal usage (7 days with heavy usage).
Connectivity: BLE 5.1
Bluetooth Calling: Yes.
IP rating: IP68 water resistant.
Sensors: Heart rate monitor, blood oxygen saturation monitor, proximity sensor, accelerometer.
Health tracking: 24/7 heart rate, blood oxygen saturation (SpO2), stress, all-day activity tracking, sleep & recovery.
Sports Mode: 100+ Sport Modes.
Colors: Black, Pink, Blue.
Companion App: Da Fit app (Android 4.4 or iOS 8.0 and above).