Sennheiser HD 4.50 BTNC BT 4.0 25hrs Black
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Bose QuietComfort 35 BT 4.1 20hrs Silver
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3.5mm Connector | 1 mm | 1 mm | |
Acoustic System Name | Closed Back | Closed Back | |
Battery Life (max) | 25 hours | 20 hours | |
Battery Recharge Time | 2 hours | 2.25 hours | |
Battery Technology | Lithium Polymer (LiPo) | Lithium-Ion (Li-Ion) | |
Battery Type | Built-in battery | Built-in battery | |
Battery Voltage | 3.7 V | - | |
Bluetooth | Yes | Yes | |
Bluetooth Profiles | A2DP, aptX, AVRCP, HFP, HSP, | A2DP, AVRCP, HFP | |
Bluetooth Version | 4.0 | 4.1 | |
Cable Length | 1.4 m | 1.2 m | |
Cables Included | Audio (3.5mm), Micro-USB | Audio (3.5mm), USB | |
Carrying Case | Yes | Yes | |
Charging Source | USB | USB | |
Colour of Product | Black, Silver | Silver | |
Connectivity Technology | Wired & Wireless | Wired & Wireless | |
Connector Contacts Plating | Gold | - | |
Continuous Audio Playback Time | - | 20 hours | |
Depth | - | 80 mm | |
Detachable Cable | Yes | Yes | |
Driver Type | Dynamic | - | |
Ear Coupling | Over-ear | Over-ear | |
Ear Coupling - Over-ear | Yes | Yes | |
Foldable | Yes | Yes | |
Headphone Frequency | 18 - 22000 Hz | - | |
Headphone or Headset | Mobile headset | Mobile headset | |
Headphone Sensitivity | 113 dB | - | |
Headset Type | Dual Ear | Dual Ear | |
Height | - | 180 mm | |
Impedance | 18 Ω (Ohms) | - | |
LED Indicators | Yes | - | |
Microphone Frequency | 100 - 10000 Hz | - | |
Microphone Number | 2 | 2 | |
Multi-function Control - Position | On-ear | On-ear | |
Multi-function Control - Type | Digital | Digital | |
Multi-function Control Present | Yes | Yes | |
NFC / W1 | Yes | Yes | |
Noise Cancelling | Yes | Yes | |
Power Button | - | Yes | |
Rechargeable | Yes | Yes | |
Smart Assistant Button (Siri, Google) | - | Yes | |
Storage Pouch | Yes | - | |
USB Connectivity | Yes | Yes | |
USB Port - Micro | Yes | Yes | |
USB Port - Type | Micro | Micro | |
Voice Activated Smart Assistant (e.g. "Ok Google") | - | Yes | |
Voice Commands (manufacturer features) | - | 1 | |
Volume Control Present | Yes | Yes | |
Volume Control Type | Digital | Button | |
Wearing Style | Head-band | Head-band | |
Weight | 238 g | 240 g | |
Width | - | 170 mm | |
Wireless Range | 10 m | 9 m | |
Wireless Type | Bluetooth | Bluetooth |
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