49×27×14 mm (device) 90×56×15 mm (station)
24.5g (device) 103g (station), 24.5g (device) 103g (station)
Oxygen level, Pulse Rate, motion
80-99%: ±2%, 70-79%: ±3%
70% to 99%
Viatom
4.0 BLE
30 to 250 bpm
4 sessions, up to 10 hours for each
±2 bpm or ±2%,whichever is greater
3.7Vdc (device) / 3.8Vdc (station) Rechargeable Lithium-polymer
7 days