KitSound Harlem BT 4.1 30hrs Pink
Sennheiser HD 4.40 BT 4.0 25 Black
Match RatingMatch RatingMatch Rating
Wired
Wireless
Wired + Wireless Combo
Android (headphone port)
Apple iOS (headphone port)
PC or Mac
Use With Headphone Amp
MP3 Player
Musical Instrument
Commuting
PS4 Compatible
PS Vita Compatible
Audio Books
Music
Video Content (Netflix, YouTube, TV)
Radio
Gaming
Podcasts
Over-Ear
Making Phone Calls

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Technical Specifications

3.5mm Connector 1 mm 1 mm
Acoustic System Name Closed Back Closed Back
Battery Life (max) 30 hours 25 hours
Battery Recharge Time 2 hours -
Battery Technology - Lithium Polymer (LiPo)
Bluetooth Yes Yes
Bluetooth Profiles - APT-X
Bluetooth Version 4.1 4.0
Cable Length - 1.4 m
Cables Included Audio (3.5mm), Micro-USB Audio (3.5mm), USB
Carrying Case - Yes
Colour of Product Black, Pink Black
Connectivity Technology Wired & Wireless Wired & Wireless
Depth 149 mm -
Detachable Cable Yes Yes
Ear Coupling Over-ear Over-ear
Ear Coupling - Over-ear Yes Yes
Foldable - Yes
Headphone Frequency 20 - 20000 Hz 18 - 22000 Hz
Headphone or Headset Mobile headset Mobile headset
Headphone Sensitivity - 113 dB
Headset Type Dual Ear Dual-ear
Height 74 mm -
Impedance 32 Ω (Ohms) 18 Ω (Ohms)
LED Indicators - Yes
Microphone Frequency - 100 - 10000 Hz
Microphone Number 1 2
Multi-function Control - Position On-ear On-ear
Multi-function Control - Type - Digital
Multi-function Control Present Yes Yes
NFC / W1 - Yes
Rechargeable Yes -
Sound Pressure Level (Max) - 113 dB
Storage Pouch - Yes
USB Connectivity Yes Yes
USB Port - Micro Yes Yes
USB Port - Type Micro Micro
Volume Control Present Yes Yes
Volume Control Type Digital Digital
Wearing Style Head-band Head-band
Weight 190 g 225 g
Width 175 mm -
Wireless Range 10 m -
Wireless Type Bluetooth Bluetooth

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