Connect the HDMI output device to an old device with a Composite / AV / RCA connector, such as TV Stick connect to an RCA input TV or Projector. … Compatible: HDMI to AV Adapter Suitable for TV Stick, Roku, Blu-Ray, DVD player, Xbox 360, PC, HD camera and more.

• Analog to Digital Audio Converter: Converts R/L RCA analog signal or 3.5mm jack AUX audio (Only 2.0Ch PCM or LPCM) to Digital Coaxial audio and Toslink Spdif Optical digital audio simultaneously. Please don’t forget to set the audio output of L/R or 3.5mm Aux Port to PCM or LPCM as it is not compatible with 5.1 Channel Signal, such as Dolby Digital or DTS 5.1, Dolby-AC3.
• High Sample Rates: Supports uncompressed 2-channel LPCM digital audio signal output.Supports output sampling rate at 48 KHz.
• Input and Output Ports: Input Audio Connector:1x L/R Port, 1x 3.5mm jack AUX; Output Audio Connector:1x Toslink,1x Coaxial.Powered by 5V/1A Power Adapter.
• Plug and Play: Simple installation and easy operation. No extral drive installation matter. Powered by USB Cable.Can be Used for PS3, PS4, Apple TV, Xbox, Blu-ray Player, HD DVD, AV Amps, etc.

Application: Running,Sport
Compatible with: iPhone,Mobile phone
Connectivity: Wireless
Driver unit: 10mm
Frequency response: 20-20000Hz
Impedance: 16ohms ± 15 percent
Sensitivity: 90dB±3dB
Music Time: 6h
Standby time: 300h
Talk time: 8h