boAt Airdopes 621 True Wireless Stereo (TWS) Earphones vs Sennheiser HD239 Wired Headphone comparison

Compare boAt Airdopes 621 True Wireless Stereo (TWS) Earphones
Compare Sennheiser HD239 Wired Headphones
key specs
ColourBlackBlack
Headphone TypeIn-EarOver-Ear
MicrophoneYesNo
ConnectivityTrue Wireless Stereo (TWS)Wired
TypeEarphonesHeadphones
general
BrandboAtSennheiser
ModelAirdopes 621 True Wireless Stereo (TWS) EarphonesHD239 Wired Headphones
Release dateMarch 26, 2021November 8, 2012
ColorBlack-
TypeEarphonesHeadphones
Headphone TypeIn-EarOver-Ear
ConnectivityTrue Wireless Stereo (TWS)Wired
Colour-Black
Model Number-HD239
product details
MicrophoneYesNo
Driver TypeDynamic-
Driver Size (mm)6-
Number of Drivers1-
Water ResistantIPX7-
Cord Length (Metres)-1.4
Connector Size-3.5mm
Weight (g)-280.00
sound features
Impedance (Ohms)1632
Frequency Response Range20Hz-20,000Hz16Hz-23,000Hz
Sensitivity (dB)-114
connectivity features
BluetoothYesNo
Bluetooth Version5-
Bluetooth range (Metres)10-
battery features
Charging PortUSB Type-C-
Charging Time (Hrs)5-
Battery Life (Hrs) Earpieces Only5.5-
Battery Life (Hrs) With Case Total150-
Battery Capacity (mAh) Earpieces35-
Battery Capacity (mAh) Case2600-

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