Avantree Alto Clair 2 - Multifunctional Bluetooth HeadphonesDetachable Noise-Filtering Mic with WiredWireless Headset Modes, Dual Link Connectivity for PC, ComputerPhone, Clear Calls Anywhere

Avantree Alto Clair 2 Bluetooth Headset with Smart Noise Canceling Microphone for Clear Calls Even at Noisy Places. Sidetone Support, Wireless USB Adapter for Easy Connection with PC Computer Laptop.