| DESIGN AND DIMENSIONS | JBL Synchros E40 BT | - |
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| Product Type | Headset - Bluetooth - wireless | - |
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| Weight | 205 g | - |
| Colour | Blue | Red | White | Black | - |
| Body Material | Aluminium | - |
| Earpad Material | Leatherette | - |
| Recommended Use | Portable electronics | - |
| SOUND QUALITY | JBL Synchros E40 BT | - |
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| Headphones Form Factor | On-ear | - |
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| Connectivity Technology | Wireless | - |
| Wireless Technology | Bluetooth | - |
| Bluetooth Version | Bluetooth 3.0 | - |
| Bluetooth Profiles | Hands-Free Profile (HFP), Headset Profile (HSP), Advanced Audio Distribution Profile (A2DP), Audio/Video Remote Control Profile (AVRCP) | - |
| Noise Isolating | Yes | - |
| Sound Output Mode | Stereo | - |
| Frequency Response | 20 - 22000 Hz | - |
| Sensitivity | 114 dB | - |
| Impedance | 32 Ohm | - |
| Diaphragm | 40 mm | - |
| MICROPHONE | JBL Synchros E40 BT | - |
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| Sensitivity | -42 dBV/Pascal | - |
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| CABLE | JBL Synchros E40 BT | - |
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| Cable Type | Headset cable USB charge cable |
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| BATTERY AND CHARGING | JBL Synchros E40 BT | - |
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| Battery Type | Headset battery rechargeable - Lithium Ion | - |
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| Battery Life | 16 hour(s) | - |
| WIRELESS LINK | JBL Synchros E40 BT | - |
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| Modulation Type | GFSK, 8-DPSK | - |
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| Radio Transmitter Power | 30 mW | - |
| Radio Frequency Range | 2.402 - 2.480GHz | - |
| CONNECTIONS | JBL Synchros E40 BT | - |
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| Connector Type | Headset (mini-phone stereo 3.5 mm) USB |
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| OTHERS | JBL Synchros E40 BT | - |
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| Service & Support | Limited warranty - 1 year | - |
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