Your music, noise free With the Tune 660NC Noise Cancelling headphones, you #39;ll get great sound, noise-free! Enjoy JBL Pure Bass Sound for up to 44 hours with ANC on and then recharge in a flash (just 5 minutes for 2 extra hours of battery). Out of juice? Just plug in the additional detachable cable keep the flow going. Immediately pair the JBL Tune 660NC to your Android device thanks to Fast Pair enabled by Google. Then, use the handy buttons on the ear cup to control sound and calls and leave your device in your pocket. Choose the color that best suits your mood. Super light and flat foldable, they #39;ll fit anywhere and be ready to light up your day. General Specifications Driver size (mm) 32 Number of Microphones 2 Audio Specifications Driver sensitivity at 1kHz/1mW (dB) 100 Dynamic frequency response range (Hz) 20Hz-20kHz Impedance (ohms) 32 Dimensions Weight (g) 166 Weight (oz) 5.9 Charging Cable Length (m) 0.2 Charging Cable Length (ft) 0.7 Ear Cup External Height (in) 2.9 Ear Cup External Width (in) 2.9 Ear Cup Internal Height (in) 1.3 Ear Cup Internal Width (in) 1.3 Ear Cup Depth (in) 0.7 Ear Cup External Height (cm) 7.3 Ear Cup External Width (cm) 7.3 Ear Cup Internal Height (cm) 3.2 Ear Cup Internal Width (cm) 3.2 Ear Cup Depth (cm) 1.7 Audio Cable Length (ft) 0.7 Audio Cable Length (m) 0.2 Control and Connection Specifications Bluetooth version 5.0 Bluetooth profiles A2DP v1.3, AVRCP v1.5, HFP v1.6 Bluetooth frequency 2.402 GHz-2.480 GH Battery Features Controls on Ear Cups? Yes On-ear Yes Foldable Yes Voice Assistant integration Yes Built-in Microphone Yes Detachable Cable Yes Hands Free Call Yes JBL Pure Bass Sound Yes Active Noise Cancelling Yes Wireless Yes Rechargable battery Yes Bluetooth Yes What #39;s in The Box? 1 x Tune 660NC 1 x USB Type-C charging cable 1 x Audio cable 1 x Quick Start Guide / Safety Sheet (S / i) 1 x Warranty / Warning (W / !)