Awei A885BL NFC HiFI Waterproof Wireless Bluetooth V4.1 Headset Voice Control Earphone Running Headsets with Mic Type: Headset Sensitivity: 90dB + / - 3dB Wireless Type: Bluetooth Package Contents: 1 x Awei A880BL Bluetooth Earphone(without retail package) 1 x User Manual 1 x USB Charging Cable 4 x Earbud Tip Option: for Android