JBL Endurance RUNBT

6 Hours of Wireless playback under optimum audio settings. Driver sensitivity at 1kHz/1mW (dB) 102 dB, Dynamic frequency response range (Hz) 20 Hz - 20 kHz, Impedance (ohms) 16 ohm Fliphook Technology- Flexible two-way design allows you to wear the headphones either in-ear or behind-the-ear IPX5 Sweat Proof Design to endure your high intensity workouts Twistlock and FlexSoft Technologies ensure comfort & secure fit along with stability Hands free calling with One Button remote and Microphone Lightweight Headphones with Magnetic Earbuds Double Press on remote to activate Voice Assistant on your Mobile Magnetic Earbuds for easy cable management What's in the box : 1 x ENDURANCE RUNBT, 3 x Sizes of ear tips, 1x Enhancer, 1 x Charging cable, 1 x Warning Card, 1 x Warranty card, 1 x Safety card, 1 x QSG