JBL synchros E50BT over ear wireless headphones

The JBL Synchros E50BT is a wireless, over‑ear Bluetooth headphone with a built‑in microphone — designed for music listening, calls, and everyday wireless use.

Specifications

• <p><strong>Sound &amp; Drivers</strong>: 50 mm dynamic drivers and JBL’s “PureBass” audio signature — delivers deep, punchy bass, clear mids and highs for a full‑range listening experience. &nbsp;</p><p><br></p><p> • <strong>Frequency Response</strong>: ~ 20 Hz – 22 kHz. &nbsp;</p><p> • <strong>Impedance / Sensitivity</strong>: ~ 32 Ω impedance; maximum sound pressure level (SPL): ~ 115 dB @ 30 mW. &nbsp;</p><p> • <strong>Connectivity</strong>: Bluetooth wireless connectivity for wireless music and calls. Also supports wired listening with a detachable 3.5 mm audio cable (included) — useful when battery is low. &nbsp;</p><p> • <strong>Battery Life</strong>: Up to 18 hours of wireless playback from a single charge. &nbsp;</p><p> • <strong>Charging / Backup Option</strong>: Rechargeable lithium‑ion battery; when battery runs out, you can plug in the 3.5 mm cable to keep listening. &nbsp;</p><p> • <strong>Built‑in Mic &amp; Controls</strong>: Ear‑cup‑based microphone + controls (on ear‑cup) allow for hands‑free calls, music play/pause, volume and track control — convenient for phone/tablet use. &nbsp;</p><p> • <strong>Design &amp; Comfort</strong>: Over‑ear design with cushioned leatherette earcups and an adjustable headband — comfortable for extended listening sessions; 3D‑swivel hinges for better fit and comfort. &nbsp;</p><p> • <strong>ShareMe™ Music Sharing</strong>: Feature that lets you wirelessly share audio with another ShareMe‑enabled JBL headphone — you and a friend can listen to the same music from one device. &nbsp;</p><p> • <strong>Portability &amp; Convenience</strong>: Detachable audio cable + collapsible/foldable design (on many versions) makes it easier to carry or store when not in use.&nbsp;</p>