Life sense Mambo2 is a smart bracelet that works as a smart notification assistant, as well as a fitness tacker. Waterproof level IP 68, allowing you wear it when swimming.The wristband can also monitor your 24 hours heart rate.

Specifications:

Brand : lifesense
Model : Mambo2
Features : Pedometers, Calories Burned, Touch Key, Community Share, Wearable, Sports, Alarm Clock, Health Care, Heart Rate Monitor, Multifunction, Sleep Tracker, Exercise Record, Water Resistant / Water Proof, Long Standby, Message Control

Supported Operation System : iOS  8 above , Android 4.3 above
Stand-by time(h) : 5 days( unlock heart rate monitor), 30 days( lock heart rate monitor)
Material : TPU
Screen Type : OLED
Screen resolution : 128*32
Display Size(Inch) : 0.87"
Net Weight(kg) :  0.022
Waterproof : IP 68
Connectivity : Bluetooth4.0
Battery : Capacity 78mA
Charging Time(Hours) 1-2 hours
Dimensions(mm) / WxDxH : 250/17/10.8mm( including strap)

Warranty : 1 month (manufacture defect only)

What's in the box :
1 x Smartband
1 x User manual