FiiO LC BT-1 is the latest wireless neckband Bluetooth adapter cable for hi-res IEMs. A high-efficiency QC3005 chipset provides high-resolution Bluetooth V5.0 connectivity with multiple HD codecs support such as AptX, AAC, and SBC. Enjoy hi-res music with your favourite IEMs wirelessly with the LC BT-1. The LC-BT1 is available with either 0.78mm 2-pin or MMCX connectors, allowing a greater variety of earphones to be given new life as true wireless buds. High-Efficiency Bluetooth Chip FiiO has equipped the LC BT-1 with QC3005 high-performance Bluetooth Chip from Qualcomm. It provides seamless Bluetooth V5.0 connectivity with hi-res wireless codec support. The LC BT-1 supports AptX, AAC, and SBC wireless codecs for high-definition wireless audio streaming. The connection is strong and lag-free enabling the user to enjoy movies and gaming on the go. Premium AKM DAC Chip The LC BT-1 features a premium AK4331 AKM DAC chip for audio signal decoding. It presents the users with a crisp, detailed sound output with ultra-low distortion and a clean, noise-free background bringing life to your music. 8th Generation cVc Noise-Cancellation Technology The in-line control box not only allows you to adjust your high-quality music playback but also allows you to make voice calls over its high-definition microphone. Featuring the latest cVc 8.0 Noise Cancellation Technology, the LC BT-1 enhances the voice clarity over audio calls by suppressing the environmental noises. It presents the user with crisp vocal clarity for calls and audio recordings. RGB Bitrate Indicator The LC BT-1 features an RGB indicator light indicating the active file bitrate. It glows Blue for SBC codec, Cyan for AAC codec, and Purple for AptX Wireless codec. Magnetic Charging Design The FiiO LC BT-1 features an easy to use magnetic charging design that lets you charge the device without having to worry about sweat or water getting into the charging ports. 7 hours of continuous playback The LC-BT1 consumes extremely little power, giving battery life up to 7 hours of music playback. And if you do run out of power, get back up quickly with only 2 hours of charging time. APP Remote Control Through the FiiO control or FiiO music apps, you can adjust the EQ, light indicator on/off, DAC filter and other audio options of the LC-BT1.