Samsung Level U Pro Bluetooth Wireless In-ear Headphones with Microphone and UHQ Audio, Bronze Type: Bluetooth Headset Noise Reduction: Yes Ear Coupling: Behind the Neck Talk Time: Up to 10 hour(s) Music Time: Up to 10 hour(s) Charge Time: < 1 Hours Bluetooth Version: 4.2 Bluetooth Profile: A2DP & AVRCP