The tracker can automatically recognize your state and monitoring the whole sleep progress with analyzing the sleep and light sleep hours.
Alarm alert,message alert, call alert, anti-lost alert, sedentary alert and so on by silent vibration.
IP67 level waterproof means you can wear the bracelet in rainy and stormy weather. It also resists 1-meter depth water and splash in daily.
Music/Remote Camera Control:
Tap screen to switch to next song, control the phone shutter to take pictures.
OLED touch screen:
The OLED touch screen can clearly display the time and date as well as other datas
Bluetooth Chip: Nordic nRF51822-QFAA
Vibration: Real time vibration reminder
Display: 0.87 inches OLED touch screen
Operation temperature: ﹣10℃～45℃
Storage temperature: ﹣20℃～60℃
Net weight: 18g
Charging method: USB port on the host
Charging time: 1 to 1.5Hour
Standby time: 5-7 days
1*LYOU Fitness Tracker
1* Replacement Strap
1* User Manual
LYOU U5 fitness tracker have no heart rate monitor function, if you want one item with HR function, you can refer to our X5 model (ASIN:B075K7ZPJS)
If you have any question about our products, just feel free to contact us with your order ID through Amazon, we offer 30-day money-back and 18-month Warranty, we will do our best till you satisfied.