Selectec Bluetooth Headphone for Blu Studio 5.5 K, Studio 7.0, Studio 6.0 LTE, Studio 5.0 HD LTE, Dash C Music, Dash 5.5, Dash JR 4.0 K, Dash Music 4.0, Dash JR K, Dash JR, Vivo 4.8 HD, Vivo IV