Features: brand new and high quality Bluetooth-compatible protocol support: A2DP and AVRCP Can be used with for , blu ray players, DVD, home cinema systems, and more devices which lack RCA Avx or 3.5mm jack outputs. Compatible for Androids- system, IOS- system, phone, tablet, TV, game console and other Bluetooth-compatible device settings, and audio equipment with audio input interface. Input audio connector with one Toslink and one RCA (Coaxial) cables, for DC 5V port, Output audio connector with two RCA(R/L) and two 3.5mm Jacks. It is for ideal DAC converter converts coaxial or slink digital audio signals to analog Avx RCA and 3.5mm Jack audio simultaneously. Specifications: Product size: 162x127x45MM/6.38x5x1.77in Weight: 232g/0.51lb Transmission Distance: 10M/ (open place) Input: Avx Optical Fiber Coaxial Bluetooth-compatible Output: RCA avx Bluetooth-compatible Color: As Shown Material: ABS Package Includes: 1x Bluetooth-compatible Transceiver 1x Product Manual 1x Charging Cable 1x Coaxial Line (optical fiber line) 1x One to Two Audio Line note: Due to the problems of lighting effects and shooting angles, there will be certain tolerances in the product, please understand. Please allow 0-1cm error due to the manual measurment.