B37 Smart Bracelet Sports Watch 1.09-Inch IPS Screen BT4.0 Fitness Tracker IP67 Waterproof Sleep/Heart Rate Monitor Multiple Sports Mode Notification/Call/Sedentary Reminder Music Control Compatible with Android iOS ( Item#: PB0251B )

Features:
[HD Display] 1.09-inch color screen with 240*240 resolution offers clear and vivid picture quality. Vacuum plated watch case features comfortable and smooth touching experience.
[Music Control] Enter the music playback interface and control the music freely with one-key operation. Enjoy the music and relax yourself anytime.
[Health Monitor] Automatically monitor and record your heart rate and sleep data, helping you adjust yourself for a healthier lifestyle. 
[Fitness Activity Tracker] Support 8 different sports modes, such as running, cycling, basketball, climbing, etc. The activity tracker can accurately record your all-day sports data, such as step, distance, and calories.
[Smart Reminder] Provide synchronous display of message, call or social APP to remind you of important information. Sedentary reminder, anti-lost reminder and many other practical smart reminders make you life easier and happier.
[Long-Lasting Battery Life] With built-in 150mAh rechargeable battery life, it offers normal use time for 5-7 days and up to 25 days standby time.
[IP67 Waterproof] Can be worn while washing hand or in rain, meeting the waterproof needs of daily life.
[More functions] Stopwatch, Alarm clock, Find phone, Sports goal setting, Countdown, Do not disturb mode, Find bracelet, Brightness adjustment, etc.

Parameters:
Screen Size: 1.09 inches
Resolution: 240 * 240dpi
BT: 4.0
Compatibility: Android 4.4 and above or iOS 8.2 and above
MCU: Realtek8762C
Memory: ROM 64KB

Battery Type: Polymer Lithium Battery
Battery Capacity: 150mAh
Charging Time: 2H 
Working Time: 5-7 days
Standby Time: 25 days
App: RaceFitPro

Specifications:
Model: B37
Case Material: Zinc Alloy
Strap Material: TPU
Color: Black / Silver / Blue / Gold (Optional)
Water-Resistant Level: IP67

Dial Size: 43.5 * 43.5mm
Dial Thickness: 9.8mm
Strap Width: 20mm
Item Weight: 55g / 1.94oz
Package Size: 15.2 * 9.8 * 2.4cm / 5.98 * 3.86 * 0.94in
Package Weight: 133g / 4.69oz

Package List:
1 * Smart Bracelet
1 * Charging Cable
1 * User Manual