Main Features:- Heart rate monitor: It can tell you the data so that you can decide whether continue to take exercise
- Sleeping monitor， sedentary reminder， pedometer， calories consumption， etc.
- Caller name and number display (only Android OS support)， intelligent unlock (only Android OS support)， calls and SMS reminder， etc.
- IP67 waterproof grade: You can wear it to wash hands， face and not afraid of rain， but do not swim or shower
- Supporting OS: Android 4.3 iOS 7.1 and above systems Built-in chip type: NRF51822
Bluetooth version: Bluetooth 4.0
Waterproof: Yes
IP rating: IP67 Bluetooth calling: Caller ID dispay，Caller's name display，Phone call reminder
Messaging: Message reminder
Health tracker: Heart rate monitor，Pedometer，Sedentary reminder，Sleep monitor
Notification: Yes
Notification type: Wechat
Alert type: Vibration
Other function: Alarm Screen: OLED
Screen size: 0.66 inch
Operating mode: Touch Screen Battery Capacty: 85mAh
Standby time: About 20 Days People: Female table，Male table Shape of the dial: Round
Case material: Zinc Alloy
Band material: TPU Compatible OS: Android，IOS
Compatability: Android 4.3 / iOS 7.1 and above system
Language: English，Simplified Chinese
Available color: Black，Blue Dial size: 4.7 x 2.4 x 1.1 cm / 1.85 x 0.94 x 0.43 inches
Band size: 23 x 1.8 cm / 9.06 x 0.71 inches
Product size (L x W x H): 23.00 x 2.40 x 1.32 cm / 9.06 x 0.94 x 0.52 inches
Package size (L x W x H): 14.40 x 8.60 x 3.20 cm / 5.67 x 3.39 x 1.26 inches
Package weight: 0.177 kg Package Contents: 1 x B5 Smart Wristband， 1 x Charging Cable， 1 x Chinese and English User Manual