Victake Bluetooth Wireless Headset with Mic and Wired Mode, Foldable Over Ear Headphones for PC, Smartphones Type: Bluetooth Headset App-Enabled: Yes Noise Reduction: Yes Ear Coupling: Over the Head Talk Time: Successive Working Time: about 8 hours Music Time: Successive Working Time: about 8 hours Charge Time: Charging Time: 2-3 hours Bluetooth Version: 4.0 |