Connects to PC or device via Bluetooth(R) 5.0 ; Compatible with AT&T HD Voice(R) for superior high-quality, clear voice reproduction (requires that call line and both call devices are all supported by HD Voice); also voice-assistant compatible (depending on the specifications of the connected device); Multipoint compatible to connect 2 devices at the same time to seamlessly switch between devices to listen to music or take phone calls; calling, music playback, and other operations cannot be performed at the same time; Secure and comfortable fit with soft earpiece and reversible, removable earhook; Battery life of up to 20 hours; charging time up to 2.5 hours; Includes charging cable, 2 earpieces, and 1 earhook
