Pops onto the Back of MagSafe Phones & Cases 40mm Full-Range Dynamic Driver for 360° HD Sound Powerful Magnetic Grip Sticks to Any Metal Surface Doubles as a Kickstand for Your Phone Up to 8HRS Poppin Playtime Certified IPX6 Waterproof Pocket-Sized and Ultra-Light On-Board and Wireless Controls Built-In Mic for Speakerphone Calls Compatible with All Bluetooth-enabled Devices Pair 2 for Stereo Play Connection Range: Up to 33 ft/10 m Play Time: Up to 8 hours Charging Time: 2.5 hours Charging Port: USB-C