Overview: TX200 is a BT transmitter and receiver with Optical SPDIF and 3.5mm AUX interfaces that can upgrade non-BT devices into BT-enabled ones. With this product, you can greatly enjoy music from your phone, laptop, tablet without the hassle of cables. Features: [Receiver Mode] Changes the traditional speakers or headphones into BT-enabled ones. After paired, play music wirelessly from your BT-enabled Smart Phones, Tablet, etc. without the hassle of cables. [Transmitter Mode] Can be connected to audio devices (such as MP3, MP4, TV, and PC, etc.) without BT function, and making it work with BT-enabled headset and speaker. It can connect two BT-enabled earphones at the same time. [APT-X Low Latency] Two-link aptX LL (low latency) technology allows two headphones to support aptX LL (low latency) at the same time. Supports aptX HD decoding technology and restores ECD-level high-fidelity stereo sound quality. [BT5.0 Connection] Adopts CSR8675 master control chip and BT5.0 technology, ensuring transmitting strong signal high speed, offering clear, distortion-free digital audio. The transmission distance is 120 meters. [Strong Compatibility] With the included 3.5mm audio cable, RCA cable, fiber optic cable, this audio adapter can work with your laptop, smartphone, home audio system, car stereo system, headphone, MP3, CD player, etc. Specification: Model number: TX200 BT: V5.0 Chipset: CSR8675 Protocol: A2DP, AVRCP Wireless Distance: RX: 120m, TX: 120m Encoding and Decoding Mode: APTX HD, APTX LOW LATENCY, APTX, SBC, ACC Power Supply Mode: Type-C interface Working Temperature: -10~55 celsius Color: Black Main Item Size: 5.8*5.8*1.8cm/2.28*2.28*0.70in Main Item Weight: 41g/1.44oz Package Size: 12.0*10.3*3.5cm/4.72*4.05*1.37in Package Weight: 175g/6.17oz Package List: 1 * TX200 Audio Adapter 1 * 3.5mm Male to Male Cable 1 * Digital Optical TOSLINK Cable 1 * RCA Cable 1 * USB Power Cable 1 * User Manual (English/Chinese)