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KitSound Race Wireless Sports Earphones 5hrs Blue
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Sennheiser CX 7.00BT BT 4.1 10hrs Black
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Technical Specifications
| Acoustic System Name | Closed Back | Closed Back | |
| Battery Life (max) | 5 hours | 10 hours | |
| Battery Recharge Time | - | 1.5 hours | |
| Battery Technology | Lithium-Ion (Li-Ion) | Lithium Polymer (LiPo) | |
| Battery Type | - | Built-in | |
| Battery Voltage | - | 3.7 V | |
| Bluetooth | Yes | Yes | |
| Bluetooth Profiles | - | A2DP, aptX, AVRCP, HFP, HSP | |
| Bluetooth Version | - | 4.1 | |
| Cables Included | - | USB | |
| Charging Source | USB | - | |
| Colour of Product | Black, Blue | Black, Blue | |
| Connectivity Technology | Wireless | Wireless | |
| Depth | 60 mm | - | |
| Driver Type | - | Dynamic | |
| Ear Coupling | In-ear | In-ear | |
| Ear Coupling - In-ear | Yes | Yes | |
| Ear Hook present | Yes | - | |
| Ear Hook Type - Over-ear | Yes | - | |
| Extra Earbuds | - | Yes | |
| Headphone Frequency | 20 - 20000 Hz | 17 - 21000 Hz | |
| Headphone or Headset | Mobile headset | Mobile headset | |
| Headphone Sensitivity | - | -44 dB | |
| Headset Type | Dual Ear | Dual Ear | |
| Height | 10 mm | - | |
| Microphone In | - | Yes | |
| Microphone Number | 1 | 1 | |
| Microphone Sensitivity | - | -44 dB | |
| Multi-function Control - Position | On cable | On cable | |
| Multi-function Control - Type | Digital | Digital | |
| Multi-function Control Present | Yes | Yes | |
| NFC / W1 | - | Yes | |
| Power Button | - | Yes | |
| Rechargeable | Yes | Yes | |
| Replaceable Ear Pads | Yes | Yes | |
| Sound Pressure Level (Max) | - | 112 dB | |
| Storage Pouch | - | Yes | |
| USB Connectivity | Yes | Yes | |
| USB Port - Micro | - | Yes | |
| USB Port - Type | - | Micro | |
| Volume Control Present | Yes | Yes | |
| Volume Control Type | Button | Digital | |
| Wearing Style | Ear-hook, In-ear | In-ear, Neck-band | |
| Weight | 18 g | 48 g | |
| Width | 600 mm | - | |
| Wireless Range | 10 m | - | |
| Wireless Type | Bluetooth | Bluetooth |
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