IPx5 Water Resistance Certified Magnetic Lock control BT5.0 chipset which provides distortion-free audio performance and longer talk time BT Profiles: HSP, HFP, A2DP and AVRCP 10mm Sound Driver for exceptional bass Easy to operate physical Control Buttons for Volume Track change & Play/Pause Advanced Audio Coding Connect 2 Mobile phones simultaneously Operating Range: 10 Meters Battery Capacity: 150mAh 8 hours at 80% Volume playback time and 24 hours standby time Fast Charging: Yes, 4 Hours Playback with 20 minutes Charge Full Charge: 1 hour Inbuilt Mic. & Volume controls enable hands-free calling and volume control with ease Voice Assistant, Google Assistance & work with Siri