Size

core (without loop) 21.5 x 25.8 x 10.4
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​loop 30.3 x 27.8 x 6 mm
​
​chain 540 + 60 (extension) mm
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​charger 42.73 x 13.51
​
​charger cable 1 m

Materials

• Top & bottom body: pcr plastic
• Loops: machined aluminum alloy
• Chains: Stainless steel (contains nickel)
• Charger: pcr plastic
​

Requirements

Environment:
•
Ambient temperature: 0-50℃,
•
Altitude: 0-2000m
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​Connectivity :
•
Bluetooth
•
Internet access through Mobile data or Wi-Fi

Electronical

Electronical specifications:
• Rated voltage: Input 5V, output 3.7V,
• Rated current: Input 0.15A, output: 0.1A,
• Rated power: Max. 0.37W
. Battery: Lithium-ion Button Cell Battery,
​