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                                                Philips SHB5250BK BT 4.1 4.5hrs Black
                                             | 
                                                Denon AH-W150 BT 3.0 7hrs Yellow
                                             | 
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| Acoustic System Name | Open | Closed Back | |
| Battery Life (max) | 4.5 hours | 7 hours | |
| Battery Technology | Lithium Polymer (LiPo) | - | |
| Bluetooth | Yes | Yes | |
| Bluetooth Profiles | A2DP,AVRCP,HFP,HSP | A2DP | |
| Bluetooth Version | 4.1 | 3.0 | |
| Cables Included | Micro-USB | - | |
| Colour of Product | Black | Yellow | |
| Connectivity Technology | Wireless | Wireless | |
| Continuous Audio Playback Time | 4.5 hours | - | |
| Depth | 20 mm | - | |
| Driver Unit Size | 14.2 cm | 11.5 cm | |
| Ear Coupling | In-ear | In-ear | |
| Ear Coupling - In-ear | Yes | - | |
| Ear Hook present | - | Yes | |
| Ear Hook Type - Over-ear | - | Yes | |
| Headphone Frequency | 8 - 24000 Hz | 5 - 25000 Hz | |
| Headphone or Headset | Mobile headset | Mobile headset | |
| Headphone Sensitivity | 107 dB | 106 dB | |
| Headset Type | Dual Ear | Dual Ear | |
| Height | 80 mm | - | |
| Impedance | 32 Ω (Ohms) | 16 Ω (Ohms) | |
| Maximum Input Power | 30 Watts | - | |
| Microphone Number | 1 | 2 | |
| Multi-function Control - Position | On cable | On-ear | |
| Multi-function Control - Type | Digital | Digital | |
| Multi-function Control Present | Yes | Yes | |
| Rechargeable | Yes | Yes | |
| Replaceable Ear Pads | - | Yes | |
| USB Connectivity | - | Yes | |
| USB Port - Micro | Yes | Yes | |
| USB Port - Type | Micro | Micro | |
| Volume Control Present | Yes | Yes | |
| Volume Control Type | Button | Button | |
| Wearing Style | In-ear, Neck-band | Ear-hook | |
| Weight | 14.2 g | 23 g | |
| Width | 40 mm | - | |
| Wireless Range | 10 m | 7.62 m | |
| Wireless Type | Bluetooth | Bluetooth | 
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