iBall has launched Bluetooth headset “RUST BTH” in Gold. Rust-BTH equips an inbuilt mic for voice calls and comes with an extra input to make it compatible to every device with 3.5-mm line-in jack. The portable headsets come with an in-built battery that enable users to listen for up to 10 hrs and talk time of up to 12 hrs at a stretch. The headset has a voice prompt alert for pairing with Bluetooth devices and for power on On the audio side, the headset promsies superior bass and sound reproduction with its powerful 40mm driver system. Rust features a leather body with soft cushioned ear-cups. Rs 2,199