Product comparison · 2 wireless audio transmitters

CoolBox COO-BTALINK wireless audio transmitter vs Ugreen CM403 AUX Black

12specifications compared
8differ
4identical
8known for one product only

Key differences

The CoolBox COO-BTALINK wireless audio transmitter has 2 more simultaneously connected devices (max) than the Ugreen CM403 AUX Black (3 vs 1). The Ugreen CM403 AUX Black has 1 more Bluetooth version than the CoolBox COO-BTALINK wireless audio transmitter (5.0 vs 4.0). The CoolBox COO-BTALINK wireless audio transmitter has 0.5 h more charging time than the Ugreen CM403 AUX Black (2 h vs 1.5 h). Host interface: 3.5 mm on the CoolBox COO-BTALINK wireless audio transmitter, AUX on the Ugreen CM403 AUX Black.

Number of simultaneously connected devices (max)
- COO-BTALINK wireless audio transmitter:3
- CM403 AUX Black:1
Host interface
- COO-BTALINK wireless audio transmitter:3.5 mm
- CM403 AUX Black:AUX
Bluetooth version
- COO-BTALINK wireless audio transmitter:4.0
- CM403 AUX Black:5.0
Charging time
- COO-BTALINK wireless audio transmitter:2 h
- CM403 AUX Black:1.5 h
Width
- COO-BTALINK wireless audio transmitter:33 mm
- CM403 AUX Black:92 mm
Depth
- COO-BTALINK wireless audio transmitter:10 mm
- CM403 AUX Black:19 mm
Height
- COO-BTALINK wireless audio transmitter:45 mm
- CM403 AUX Black:11 mm
Battery capacity
- COO-BTALINK wireless audio transmitter:160 mAh
- CM403 AUX Black:145 mAh

Side by side

Differences highlightedShow differences only

Comparison of COO-BTALINK, CM403
20 specifications	A CoolBox COO-BTALINK wireless audio transmitter Model COO-BTALINK View product	B Ugreen CM403 AUX Black Model CM403 View product
Features3 differ
Number of simultaneously connected devices (max)Differs	3	1
Host interfaceDiffers	3.5 mm	AUX
Bluetooth versionDiffers	4.0	5.0
Transmission distanceKnown for one	15 m	Unknown — not stated by the source
Housing materialKnown for one	Unknown — not stated by the source	Acrylonitrile butadiene styrene (ABS), Polycarbonate (PC)
Built-in displayKnown for one	Unknown — not stated by the source	No
Power1 differ
Battery voltageKnown for one	5 V	Unknown — not stated by the source
Charging timeDiffers	2 h	1.5 h
Power source typeKnown for one	Unknown — not stated by the source	Battery
Weight & dimensions3 differ
WidthDiffers	33 mm	92 mm
DepthDiffers	10 mm	19 mm
HeightDiffers	45 mm	11 mm
WeightKnown for one	13 g	Unknown — not stated by the source
Packaging contentidentical
Cables includedKnown for one	Audio (3.5mm), USB	Unknown — not stated by the source
ManualKnown for one	Yes	Unknown — not stated by the source
Battery1 differ
Battery capacityDiffers	160 mAh	145 mAh

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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