Features:
Assembly of altitude test, temperature, UV, Running distance and other outdoor functions in one.
The Case using nano-injection molding aviation grade material.
Environmental TPU porous strap can be adjusted and easy to wear. The steel buckle is durable.
Using hardened mineral glass mirror, anti-tensile shock resistance higher.
Non-slip button, multi-function convenient operation.
Powerful chip follow your heart existence of focus. Smart watch and smart phones can communicate with each other.
The luminous system turns on the luminous mode of the watch. Let you in the night trembling fearless.
Movement without limit challenging different oneself: Pedometer, Calorie consumption, Sports mileage records, Stopwatch.
Multiple outdoor modes, turn on star trek: Thermometer, UV, Altitude.
More stringent dustproof and waterproof design motion without limit. The IP67 waterproof level can be swimming. It can meet your daily life waterproof.
With 550mAh Battery, Long standby time without charge daily.
Intelligent software management Bluetooth 4.0.
The perfect combination of smart watch and Bluetooth bracelet.

Specifications:
Model: NO.1 F2 Smartwatch Bracelet
Platform: German Dialog DA14580 (the world's lowest power ring chip)
Product Modeling: Smartwatch Bracelet
Bluetooth Push: Support (Caller, SMS Messenger, app news reminders)
Pedometer: Support (Exercise step, calorie consumption, movement mileage record)
Screen display: Aways on
Sleep Monitoring: Support
Altitude: Support (Work while connect smartphone app)
Air pressure: Support (Work while connect smartphone app)
Ultraviolet radiation: Support (Work while connect smartphone app)
Temperature: Support (Work while connect smartphone app)
Call alert: Support
Bluetooth Features and Versions: Bluetooth 4.0
Vibrating Motor: Support
Waterproof: IP68 waterproof (waterproof in 30 meter water)
Battery: 550mAh battery
Strap: Environmental Silicone Strap
Green Products : CE Recognition Qualified
Main Screen: 1.1 inch Round display
Color: Black, Blue, Green
Size: approx. 240*55*20mm/9.44*2.16*0.78''
Net weight: approx. 79g

Note:
Please allow 1-3mm differs due to manual measurement.
Due to the different display and different light, the picture may not reflect the actual color of the item. Thanks for your understanding.