Product comparison · 2 headphones

CoolBox Cool Sand Air 15 vs CoolBox Coolchat U1

17specifications compared
6differ
11identical
25known for one product only

Key differences

Connectivity technology
- Cool Sand Air 15:Wired & Wireless
- Coolchat U1:Wired
3.5 mm connector
- Cool Sand Air 15:Yes
- Coolchat U1:No
Bluetooth
- Cool Sand Air 15:Yes
- Coolchat U1:No
Impedance
- Cool Sand Air 15:64 Ω
- Coolchat U1:32 Ω
Headphone sensitivity
- Cool Sand Air 15:110 dB
- Coolchat U1:60 dB
Microphone type
- Cool Sand Air 15:Built-in
- Coolchat U1:Boom

Side by side

Differences highlightedShow differences only

Comparison of Cool Sand Air 15, Coolchat U1
42 specifications	A CoolBox Cool Sand Air 15 View product	B CoolBox Coolchat U1 View product
Performanceidentical
Product type	Headset	Headset
Wearing style	Head-band	Head-band
Recommended usage	Calls/Music	Calls/Music
Headset type	Binaural	Binaural
Product colour	Black	Black
Operating keysKnown for one	Play/Pause, Volume +, Volume -	Unknown — not stated by the source
Volume controlKnown for one	Button	Unknown — not stated by the source
Control typeKnown for one	Buttons	Unknown — not stated by the source
Plug and Play	Yes	Yes
Control unit typeKnown for one	Unknown — not stated by the source	In-line control unit
Cable lengthKnown for one	Unknown — not stated by the source	2 m
Cable colourKnown for one	Unknown — not stated by the source	Black
Ports & interfaces3 differ
Connectivity technologyDiffers	Wired & Wireless	Wired
3.5 mm connectorDiffers	Yes	No
USB connectivity	Yes	Yes
USB connectorKnown for one	Micro-USB	Unknown — not stated by the source
BluetoothDiffers	Yes	No
Bluetooth versionKnown for one	5.0	Unknown — not stated by the source
Wireless rangeKnown for one	10 m	Unknown — not stated by the source
Headphones2 differ
Ear coupling	Supraaural	Supraaural
Headphone frequency	20 - 20000 Hz	20 - 20000 Hz
ImpedanceDiffers	64 Ω	32 Ω
Headphone sensitivityDiffers	110 dB	60 dB
Driver unit	4 cm	4 cm
Microphone1 differ
Microphone typeDiffers	Built-in	Boom
Microphone sensitivityKnown for one	Unknown — not stated by the source	56 dB
Microphone muteKnown for one	Unknown — not stated by the source	Yes
Batteryidentical
Battery operatedKnown for one	Yes	Unknown — not stated by the source
Battery typeKnown for one	Built-in battery	Unknown — not stated by the source
Battery technologyKnown for one	Lithium	Unknown — not stated by the source
Battery capacityKnown for one	300 mAh	Unknown — not stated by the source
Continuous audio playback timeKnown for one	10 h	Unknown — not stated by the source
Battery recharge timeKnown for one	2.5 h	Unknown — not stated by the source
Battery voltageKnown for one	3.7 V	Unknown — not stated by the source
Standby timeKnown for one	100 h	Unknown — not stated by the source
Weight & dimensionsidentical
WeightKnown for one	150 g	Unknown — not stated by the source
WidthKnown for one	Unknown — not stated by the source	180 mm
DepthKnown for one	Unknown — not stated by the source	80 mm
HeightKnown for one	Unknown — not stated by the source	200 mm
Packaging contentidentical
Cables includedKnown for one	AUX, USB	Unknown — not stated by the source
Quantity	1	1
Other featuresidentical
ManualKnown for one	Yes	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.

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