Billow
Billow XSB70 Activity Tracker Band - Black - 0.49" Display - Monochrome - Bluetooth - 28g
The Billow XSB70 is a lightweight (28g) activity tracker with a monochrome 0.49" display. It offers up to 15 days of battery life and connects via Bluetooth to both Android (4.3-8.1) and iOS (7.0-8.1) devices.
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Updated on May 18, 2026
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