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JBL Synchros E40BT Manual

JBL Synchros E40BT Manual Image


Quick Start Guide

1 Cable connections


# Full owners manual

3 Turn on/off power and pair

4 Adjust volume

5 Multi-function Button (MFB) to control music

6 Multi-function Button (MFB) to skip track

7 Multi-function Button (MFB) to control calls

8 Multi-function Button (MFB) to manage second incoming call

9 Multi-function Button (MFB) to manage 2 calls at the same time

10 To use ShareMe™ function


ShareMe™ enables sharing
your audio with another set of
JBL wireless headphone
features ShareMe™.

Step 1: Pair and connect the headphone to a source device.
Step 2: Pause music or disengage voice calls from the source device.
Step 3: Press ShareMe™ button once on the first headphone then LED starts blinking rapidly. This headphone is ready to connect to the second headphone.
Step 4: Press ShareMe™ button twice on the second headphone then LED starts blinking slowly. LED stops blinking after ShareMe™ connects. Play the music on the source device.
Two headphones are ready to share the music.
Press ShareMe™ button once to disconnect.


  • Advanced 40mm drivers
  • Dynamic frequency response: 20-20kHz
  • Bluetooth® frequency range: 2.402-2.480GHz
  • Bluetooth® transmitter power: <4dBm
  • Bluetooth® transmitter modulation:
  • Support Bluetooth® 3.0, A2DP v1.3, AVRCP v1.5, HFP v1.6, HSP v1.2
  • Maximum SPL: 115dB @ 30mW
  • Rated power input: 30mW
  • Microphone sensitivity: -42dBV/Pa @ 1kHz
  • Battery type: Lithium polymer (3.7V, 600mAh)
  • Music playing time: 16 hours
  • Talk time: 24 hours

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