BOAT Storm SMART WATCHES

Bluetooth Version 4.2 Operating Temperature "-20°C" -  "45°C" Bluetooth Range 10M Battery Capacity 210mAh Working Time Up to 8-10 Days Charging Time 2.5 Hours Charging Type USB Direct Charge Standby Time 20-30 Days Activity Tracking 9 Activites Call Alert Yes Music Control Yes Guided Meditative Breathing Yes Country Of OriginChina Waterproof 5 ATM