Califone 1216BKBT Bluetooth 6 Position Jackbox, 3.5mm Plug - Black for Headset, Headphone, Smartphone, Tablet PC, PC

Contact points Silver-plated for better connection and are moisture resistant to prevent corrosion Daisy chain port 3.5mm jack Charging port Input: 5V DC LED Status indicators Bluetooth, power On/Off, battery charge, and streaming Volume control Individual control on each position Bluetooth 4.0 Listening positions 6 x 3.5mm jacks Analog audio input 3.5mm Line In jack Function control button Multi-function touch button Power Rechargeable battery: 3.7V, 1000mA, 12 hours plus on a single charge