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                                                Sony WI-C400 BT 4.2 20hrs Black
                                             
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                                                Kitsound Bounce BT 4hrs In-Ear Red
                                             
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| Acoustic System Name | Closed | Closed Back | |
| Battery Life (max) | 20 hours | 4 hours | |
| Battery Recharge Time | 4.5 hours | 2.5 hours | |
| Bluetooth | Yes | Yes | |
| Bluetooth Version | 4.2 | - | |
| Cables Included | Micro-USB | - | |
| Colour of Product | Black | Red | |
| Connectivity Technology | Wireless | Wireless | |
| Continuous Audio Playback Time | 20 hours | - | |
| Driver Unit Size | 9 cm | 10 cm | |
| Ear Coupling | In-ear | In-ear | |
| Ear Coupling - In-ear | Yes | Yes | |
| Extra Earbuds | Yes | Yes | |
| Headphone Frequency | 8 - 22000 Hz | 20 - 20000 Hz | |
| Headphone or Headset | Mobile headset | Mobile headset | |
| Headset Type | Dual Ear | Dual-ear | |
| Magnet Type | Neodymium | - | |
| Microphone Number | 1 | 1 | |
| Multi-function Control - Position | On cable | On-cable | |
| Multi-function Control - Type | Digital | Digital | |
| Multi-function Control Present | Yes | Yes | |
| NFC / W1 | Yes | - | |
| Rechargeable | Yes | Yes | |
| Replaceable Ear Pads | Yes | Yes | |
| Speaker Diameter | - | 10 mm | |
| USB Connectivity | Yes | 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 | In-ear | |
| Weight | 35 g | 13.60 g | |
| Wireless Type | Bluetooth, NFC | Bluetooth | 
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