Microphone: Yes Rated Battery Life: Up to 27 Hours Noise Cancelling: No Wireless Technology: Bluetooth Interface: 3.5mm IP Rating: N/A Features 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 sound, punching out bass that’s both deep and powerful. Wireless Bluetooth Streaming Wirelessly stream high-quality sound from your Bluetooth® devices without the messy cords. Plenty of bass, plenty of fun. With powerful JBL Pure Bass Sound, the JBL TUNE 700BT headphones play bold sound, wirelessly. The lightweight over-ear design offers maximum comfort and immersion in sound. Big in performance, they can be folded in a compact shape to fit any adventure. Take calls and manage sound hands-free thanks to the convenient buttons on the earcup that also activates the Voice Assistants for on-the-go help. Enjoy them all-day-long thanks to the 27 hours battery life, or extend the fun endlessly with the included detachable audio cable. Allowing connection with two Bluetooth® devices simultaneously, the multipoint connection makes sure you won’t miss a call on your phone while streaming videos on your tablet. JBL TUNE 700BTNC comes in various colors matching your personal style. Specifications Driver size 40mm dynamic driver Weight (g) 220 g Control and Connection Specifications Bluetooth transmitted power < 5dBm Bluetooth transmitted modulation GFSK, p/4DQPSK, 8DPSK Bluetooth frequency 2.402GHz-2.480GHz Bluetooth profiles version A2DP 1.2, AVRCP 1.5, HFP 1.6, HSP 1.2 Bluetooth version 4.2 Audio Specifications Frequency range 20Hz-20KHz Sensitivity passive mode 95dBSPL / 1mW Sensitivity active mode 102 dBSPL / 1mW Transducer Impedance 32Ohm Max input power 40mW Transmit sensitivity -15 Dbv/Pa Battery Headset battery type Polymer Li-ion Battery(610mAh/3.7V) Power supply 5V, 1A Charging time <2 hrs from empty Music play time with BT on 27 hrs