Philips Health band - S/M DL7411/11 vs Philips Health band - L/XL DL7421/21

Comparison of DL7411/11, DL7421/21

41 specifications	A Philips Health band - S/M DL7411/11 Model DL7411/11 View product	B Philips Health band - L/XL DL7421/21 Model DL7421/21 View product
Performanceidentical
Touchscreen	No	No
Design1 differ
Device type	Wristband activity tracker	Wristband activity tracker
Product colour	Black	Black
Housing material	Acrylonitrile butadiene styrene (ABS), Thermoplastic urethane (TPU)	Acrylonitrile butadiene styrene (ABS), Thermoplastic urethane (TPU)
Band sizeDiffers	S/M	L/XL
Splash proof	Yes	Yes
Water resistance	1 ATM	1 ATM
International Protection (IP) code	IP67	IP67
Band colourKnown for one	—Unknown — not stated by the source	Black
Featuresidentical
Heart rate monitor	Yes	Yes
Active minutes	Yes	Yes
Calories burned	Yes	Yes
Distance travelled	Yes	Yes
Pedometer	Yes	Yes
Stairs climbedKnown for one	No	—Unknown — not stated by the source
Hours slept	Yes	Yes
Quality of sleep	Yes	Yes
Workout trackingKnown for one	Yes	—Unknown — not stated by the source
Position location	No	No
Accelerometer	Yes	Yes
Memory capacity	7 day(s)	7 day(s)
Display	Monochrome matrix display	Monochrome matrix display
Personal goalsKnown for one	—Unknown — not stated by the source	Yes
Ports & interfacesidentical
Bluetooth	Yes	Yes
Bluetooth version	4.0 LE	4.0 LE
Bluetooth Low Energy (BLE)Known for one	Yes	—Unknown — not stated by the source
Wi-Fi	No	No
Poweridentical
Battery life	4 day(s)	4 day(s)
Charging time	1.5 h	1.5 h
Charging voltage	5 V	5 V
Fast charging timeKnown for one	90 min	—Unknown — not stated by the source
Charging source	USB	USB
System requirementsidentical
Mobile operating systems supported	Android 4.4, iOS 9.3	Android 4.4, iOS 9.3
Packaging contentidentical
USB charger included	Yes	Yes
ManualKnown for one	—Unknown — not stated by the source	Yes
Batteryidentical
Battery technology	Lithium Polymer (LiPo)	Lithium Polymer (LiPo)
Technical detailsidentical
MaterialKnown for one	Acrylonitrile butadiene styrene (ABS), Polycarbonate (PC), Thermoplastic polyurethane (TPU)	—Unknown — not stated by the source
Other featuresidentical
Belt clipKnown for one	Yes	—Unknown — not stated by the source
Connectivity technology	Wireless	Wireless
Frequency band	2.4 GHz	2.4 GHz
Frequency rangeKnown for one	2402 - 2480 MHz	—Unknown — not stated by the source

A dash means the value is not stated by the source. Unknown values are never counted for or against a product, and there is no overall score.