•USB 5V powered, built-in industrial grade galvanic isolator, solve interference and ensure stable sound quality output •Bluetooth-compatible 5.0 technology. High performance Bluetooth-compatible chip •Lossless and low latency. High definition hifi sound, powerful bass •Barrier-free 10m transmission stability. Built-in signal antenna, without dead spots Specifications: •Model: R6 •Bluetooth-compatible version: 5.0 •Bluetooth-compatible protocol: A2DP AVRCP HFP •Frequency range: 2.402GHz-2.480GHz •Frequency response: 100Hz-20KHz •Transmission distance: 10m •SNR: >90dB •Power supply mode: USB 5V power supply •Output interface: Lotus RCA and 3.5mm aux •Support TF Card playback: SBC Flac MP3 WAV WMA APE •AAC format is not supported •Support capacity up to 64GB •Size: 90 x 70 x 23mm Package included: •1 x NFC Bluetooth-compatible 5.0 Support TF Card Music Play Audio Receiver •1 x Android Charging Cable •1 x 3.5mm Audio Cable •1 x RCA Lotus Audio Cable •1 x English and Chinese Manual