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B&O E8 BT 4.2 4hrs True Wireless Black
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Beats by Dr. Dre BeatsX BT 4.2 8hrs Gold
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Technical Specifications
| Acoustic System Name | Closed Back | Closed Back | |
| Battery Life (max) | 4 hours | 8 hours | |
| Battery Recharge Time | 2 hours | 0.6 hours | |
| Battery Technology | Lithium-Ion (Li-Ion) | Lithium-Ion (Li-Ion) | |
| Battery Type | Built-in battery | - | |
| Bluetooth | Yes | Yes | |
| Bluetooth Profiles | AAC | - | |
| Bluetooth Version | 4.2 | 4.2 | |
| Cables Included | USB | Lightning | |
| Carrying Case | Yes | Yes | |
| Charging Case | Yes | - | |
| Charging Source | Charging Case | USB | |
| Colour of Product | Black | Gold | |
| Connectivity Technology | Wireless | Wireless | |
| Continuous Audio Playback Time | 4 hours | 8 hours | |
| Depth | 20 mm | - | |
| Driver Type | Dynamic | - | |
| Driver Unit Size | 5.7 cm | - | |
| Ear Coupling | In-ear | In-ear | |
| Ear Coupling - In-ear | Yes | Yes | |
| Extra Earbuds | Yes | Yes | |
| Headphone Frequency | 20 - 20000 Hz | - | |
| Headphone or Headset | Mobile headset | Mobile headset | |
| Headphone Sensitivity | 107 dB | - | |
| Headset Type | Dual Ear | Dual Ear | |
| Height | 25 mm | - | |
| Impedance | 16 Ω (Ohms) | - | |
| Microphone Number | 1 | 1 | |
| Multi-function Control - Position | On-ear | On cable | |
| Multi-function Control - Type | Digital | Digital | |
| Multi-function Control Present | Yes | Yes | |
| Rechargeable | Yes | Yes | |
| Replaceable Ear Pads | Yes | Yes | |
| Smart Assistant Button (Siri, Google) | Yes | Yes | |
| Volume Control Present | Yes | Yes | |
| Volume Control Type | Touch | Digital | |
| Wearing Style | In-ear | In-ear, Neck-band | |
| Weight | 13 g | 23 g | |
| Width | 23 mm | - | |
| Wireless Type | Bluetooth | Bluetooth |
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