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	HiFuture Future Ring2 7	HiFuture Future Ring2 9	HiFuture Future Ring2 8	HiFuture Future Ring2 13	HiFuture Future Ring2 10	HiFuture Future Ring2 11
	Outdated Product	Outdated Product	Outdated Product	Outdated Product	Outdated Product	Outdated Product
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Size	17.4 mm, 54 EU, 7 US	18.9 mm, 59 EU, 9 US	18.2 mm, 56.5 EU, 8 US	22.3 mm, 69.5 EU, 13 US	19.8 mm, 61.75 EU, 10 US	20.7 mm, 64.25 EU, 11 US
Bluetooth	Bluetooth 5.3	Bluetooth 5.3	Bluetooth 5.3	Bluetooth 5.3	Bluetooth 5.3	Bluetooth 5.3
Features
Optional measurements	heart rate monitor blood oxygen level body temperature number of steps distance traveled calories burned sleep tracking stress level	heart rate monitor blood oxygen level body temperature number of steps distance traveled calories burned sleep tracking stress level	heart rate monitor blood oxygen level body temperature number of steps distance traveled calories burned sleep tracking stress level	heart rate monitor blood oxygen level body temperature number of steps distance traveled calories burned sleep tracking stress level	heart rate monitor blood oxygen level body temperature number of steps distance traveled calories burned sleep tracking stress level	heart rate monitor blood oxygen level body temperature number of steps distance traveled calories burned sleep tracking stress level
Sports modes
General specs
Battery capacity	17.5 mAh	17.5 mAh	17.5 mAh	17.5 mAh	17.5 mAh	17.5 mAh
Operating time	10 days	10 days	10 days	10 days	10 days	10 days
Body material	titanium	titanium	titanium	titanium	titanium	titanium
Waterproof	100 WR / 10 ATM	100 WR / 10 ATM	100 WR / 10 ATM	100 WR / 10 ATM	100 WR / 10 ATM	100 WR / 10 ATM
Added to E-Catalog	july 2025	july 2025	july 2025	july 2025	july 2025	july 2025