General Info and Specifications
Sensors andComponents
Materials
The band that comes with Ace is made of a flexible, durable elastomer material
similar to that used in many sports watches.
The clasp and housing on Ace are made of surgical-grade stainless steel. While all
stainless steel contains traces of nickel and can cause an allergic reaction in
someone with nickel sensitivity, the amount of nickel in all Fitbit products meets the
European Union's stringent Nickel Directive.
Wireless technology
Ace contains a Bluetooth 4.0 radio transceiver.
Haptic feedback
Ace contains a vibration motor for alarms, goals, notifications, and reminders.
Ace contains a rechargeable lithium-polymer battery.
Memory
Refer to the following table for information on how long Ace stores stats and data in
between the times when it syncs.
18