Built-in version 5.3 receiving and transmitting integrated high-tech Bluetooth-compatible module, the transmitting mode supports the simultaneous connection of two pairs of Bluetooth-compatible headsets or Bluetooth-compatible speakers; the receiving mode supports the connection of mobile devices such as mobile phones and ipads; Support digital audio to analog audio conversion signal. Support Bluetooth-compatible automatic search and connection receiver. Using Bluetooth-compatible dedicated antenna, the signal spreads stably. Support Bluetooth-compatible connection indicator. Built-in high-performance chip, support 192K/24bit sampling rate. Noted:Not compatible with for and video websites. Introduction: This device can distribute one optical fiber digital audio signal to two signals ,which connects to two sets of power amplifier system.Built-in Bluetooth transmitter function ,which can help users with easily connecting high-quality digital audio signals to Bluetooth-compatible receiving devices, likes Bluetooth-compatible headphones and Bluetooth-Compatible speakers. Support 1 optical interface and 1 coaxial input interface. And a and a 3.5mm audio output interface. Support output volume adjustment. Ultra low power consumption. Support power-off memory, Bluetooth-compatible automatic connection function. Specification: Optical/Coaxial Input Audio Formats: PCM Audio Sample Rate: 32-192K/24bit Bluetooth-compatible decoding format:-LL,-HD,, Bluetooth-compatible Version: 5.3 Version Bluetooth-compatible Protocol: A2DP,AVRCP Bluetooth-compatible distance: less than equal 25m output maximum level: 9Vrms 3.5mm audio interface maximum output level: 9Vrms 3.5mm audio port maximum output power: 32/35mW Maximum working current: 5V/100mA Colour:Black Material:ABS Package Contents: 1 * Converter 1 * Fiber Cable 1 * Power Cable Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.