Powerful, pure bass sound. Now in a takeaway version. Introducing JBL TUNE 205BT wireless earbud headphones with JBL Pure Bass Sound. Thanks to the 6-hour battery life they can wirelessly stream JBL Pure Bass sound and provide hands-free call management. Inside the premium housing is a pair of 12.5mm drivers which will punch out some serious bass, while the soft, ergonomically shaped earbuds ensure the listening experience remains comfortable for long-listening hours. In addition, a single button remote lets you control music playback, as well as answer calls on the fly with the built-in microphone, making the JBL TUNE 100BT your everyday companion for work, at home and on the go. Technical specifications: Driver size: 12.5mm Dynamic frequency response range: 20Hz–20kHz Sensitivity: 100dB SPL/1mw Maximum SPL: 106dB @1kHz Microphone sensitivity @1kHz dB v/pa: -21 Impedance: 32Ω Bluetooth version: V4.0 Battery type: GSP051230 01 Polymer Li-ion Battery: 3.7V, 120mAh Charging time: 2hr Music play time with BT on: 6hr Talk time with BT on: 6hr Weight (g): 16.5g Features: JBL Pure Bass sound 6-hour battery life Hands-free calls Tangle-free flat cable Comfort-fit earbuds What's in the box: 1 pair of T205BT in-ear headphones 1 x Charging cable