Features:1.TX16 supports one function and two functions: two stereo speakers or stereo headphones can be connected at the same time in the TX state, and two speakers / headphones can emit sound at the same time; two mobile phones can be connected at the same time in the RX state, and there can only be one at present Mobile phone sounds, which phone sounds first which phone sounds currently.2. Adopt CSR BC8670 chip as core data processing: version is V4.1.3. Transmitting power: ClassII, use range within 10 meters (the actual range depends on the equipment connected to it.4. Frequency range: standard, 2.402 2.480GHz.5. The main chip data storage uses internal 16M FLASH memory: supports A2DP AVRCP. Description:TX16 is a two-in-one stereo adapter with optical fiber. Toggle the mode selection switch to switch whether it is in the receiving state (RX) or transmitting state (TX) after power-on. It can also be selected through the interface selection switch (AUX : Audio interface; SPDIF: optical fiber interface) Select audio interface or optical fiber interface. Specifications:Color:blackInterface: AUXWhether plug and play: plug and playExternal power supply: with external power supplyTransmission rate: 2.4 (Mbps)Effective working radius: 10 (m) standard: 5.0Working frequency: 2.4 (MHz)Size:60*60*20mm Package Included:1 * 5.0 receiver transmitterNotes:1. Due to the difference between different monitors, the picture may not reflect the actual color of the item. We guarantee the style is the same as shown in the pictures.2. Please allow slight dimension difference due to different manual measurement