Introducing JBL TUNE 205BT wireless earbud headphones with JBL Pure Bass Sound. Thanks to the 6-hour (max) battery life they can wirelessly stream JBL Pure Bass sound and provide hands-free call management. Inside the premium housing is a pair of 12.5 mm 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, the 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 205BT your everyday companion for work, at home and on the go. Features and Benefits JBL Pure Bass sound - For over 70 years, JBL has engineered the precise, impressive sound found in big venues around the world. These headphones reproduce that same JBL DNA, punching out bass that’s both deep and powerful. Up to 6-hour battery life - Enjoy your music and take calls for up to 6 hours. Get a full recharge in 2 hours. Hands-free calls - Easily control your sound and manage calls from your headphones with the convenient three-button remote with microphone. Tangle-free flat cable - A flat cable that’s durable and won’t tangle up in knots. Comfort-fit earbuds - The soft, ergonomically shaped earbuds allow you to enjoy your music in full comfort. Specifications Driver size (mm): 12.5 Driver sensitivity at 1kHz/1mW (dB): 100dB SPL/1mw Dynamic frequency response range (Hz): 20 Hz - 20 kHz Impedance (ohms): 32.0 Number of drivers per ear: 1.0 Sensitivity: 100dB SPL/1mw Maximum SPL: 106dB @1kHz Microphone sensitivity @1kHz dB v/pa: -21 Bluetooth version 4.1 Bluetooth profiles: HFP v1.5, HSP v1.2, A2DP v1.2, AVRCP v1.5 Bluetooth frequency: 2.402GHz-2.48GHz Bluetooth transmitted modulation: GFSK, DQPSK, 8-DPSK Bluetooth transmitter power: 0~4 dbm Battery Type: Polymer Li-ion Battery (3.7V, 120mAh) Charging time (hours from empty): 2.0 Maximum playtime (hours): 6.0 Aluminium finishes: Yes Built-in Microphone: Yes Ear-bud: Yes Flat Cable: Yes Hands-Free Call: Yes In-ear: Yes JBL Pure Bass Sound: Yes Headphone cable length (cm): 78.0 Weight (g): 16.5 Colour: Blue/Black What’s Included 1 x pair of TUNE205BT headphones 1 x Charging cable 1 x Warning card 1 x Warranty card 1 x Safety sheet 1 x QSG