FiiO BTR7 Bluetooth Serial number Receiver USB DAC Left and right independent configuration LDAC bluetooth [Japan / included] 4.4mm 3.5mm 5.1

Equipped with two ESS Technology DAC chips "ES9219C" in left and right independent configuration USB DAC function that enables PCM384kHz/32bit, DSD256 native playback High-quality wireless performance using Qualcomm Bluetooth chip “QCC5124” Compatible with major high quality wireless audio codecs such as LDAC/aptX Adaptive/aptX HD/aptX/AAC If a problem occurs due to the device used or the playback method, it may be resolved with a firmware update, so please check the FiiO brand official website for the latest information. Please be aware of the seller. There is a possibility that the item is being sold by a seller who does not have a warranty in Japan. Please check if the seller is a retailer listed on the brand website before purchasing. Fully balanced amplifier circuit with dual advanced amplifier technology “THX AAA-28”