Sony CH700N BT 4.1 35hrs Grey
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Sennheiser HD 4.40 BT 4.0 25 Black
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3.5mm Connector | 1 mm | 1 mm | |
Acoustic System Name | Closed Back | Closed Back | |
Battery Life (max) | 35 hours | 25 hours | |
Battery Recharge Time | 7 hours | - | |
Battery Technology | Lithium-Ion (Li-Ion) | Lithium Polymer (LiPo) | |
Battery Type | Built-in battery | - | |
Battery Voltage | 3.65 V | - | |
Bluetooth | Yes | Yes | |
Bluetooth Profiles | A2DP, AVRCP, HFP, HSP | APT-X | |
Bluetooth Version | 4.1 | 4.0 | |
Cable Length | 1.2 m | 1.4 m | |
Cables Included | Audio (3.5mm), Micro-USB | Audio (3.5mm), USB | |
Carrying Case | - | Yes | |
Charging Source | USB | - | |
Colour of Product | Grey | Black | |
Connectivity Technology | Wired & Wireless | Wired & Wireless | |
Detachable Cable | Yes | Yes | |
Driver Type | Dynamic | - | |
Driver Unit Size | 40 cm | - | |
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 | 97 dB | 113 dB | |
Headset Type | Dual Ear | Dual-ear | |
Impedance | 48 Ω (Ohms) | 18 Ω (Ohms) | |
LED Indicators | Yes | Yes | |
Magnet Type | Neodymium | - | |
Maximum Input Power | 100 Watts | - | |
Microphone Frequency | 50 - 8000 Hz | 100 - 10000 Hz | |
Microphone Number | 1 | 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 | - | |
Rechargeable | Yes | - | |
Smart Assistant Button (Siri, Google) | 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 | 240 g | 225 g | |
Wireless Range | 10 m | - | |
Wireless Type | Bluetooth | Bluetooth |
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