HD Stereo Sound Cable-Free Design Quick-Pair Technology Wireless Music + Calls Secure-Fit Ear Hooks Intuitive Touch Controls Noise Cancelling Microphone Up to 4HRS Play Time 10m Quick Charge = 1hr Music Playback Bluetooth Version: 5.0 Bluetooth Range: Up to 33ft/10m Play Time: Up to 4 hours Charging Time: 2 hours Charging Port: DC Earbuds: 50 x 45 x 30 mm 17g