JBL Tune 770NC Wireless Headphones, with Adaptive Noise Cancelling Over-Ear Bluetooth Headphone

Experience powerful sound and pure bass with the JBL Tune 770NC wireless headphones. Enjoy up to 70 hours of playtime, adaptive noise cancelling, and all-day comfort  perfect for travel, work, or music on the go. Sensitivity: 100 dB SPL@1 kHz, Battery type: Lithium-ion battery (690 mAh/ 3.7V). Additional features: Detachable Cable, TalkThru, Multi-Point Connection, JBL Signature Sound, Built-in Microphone, Foldable, Charging cable.