A grab ‘n’ go solution that sounds great. Featuring JBL Pure Bass Sound, the JBL TUNE110BT headphones offer a grab ‘n’ go, wireless solution for your everyday usage along with the ability to make or take hands free calls and up to 6 hours of battery life. Bluetooth version-4.0 Ear tip material-Silicon Headphone cable length (cm)-80.8 Driver sensitivity at 1kHz/1mW (dB)-96dB SPL/1m@1kHz dB v/pa Dynamic frequency response range (Hz)-20 Hz – 20 kHz Impedance (ohms)-16.0 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 Charging time (hours from empty)-2.0 Maximum Play Time (hours)-6.0 Features Bixby-No Built-in Microphone-Yes Flat Cable-Yes Hands Free Call-Yes In-ear-Yes JBL Pure Bass Sound-Yes Rechargable battery-Yes Siri/ Google Now-No Speed charge-No Wireless-Yes