The battery of the Upright GO 2 should last for up to 35 hours of usage, while the battery of the Upright GO S should last for up to 20 hours, but we suggest charging it every day using a computer USB port.
The hard part isn't knowing — it's remembering
The UPRIGHT GO 2 buzzes gently the second you slouch, so good posture becomes automatic. Most users feel a difference in under 2 weeks.
Meet UPRIGHT GO 2 — from $79