Features: brand new and high quality A90 Type C wireless receiver has TF card slot, commonly known as an all-in-one musical instrument BT5.0 Instantly connection for wired earphones, and public car normal speakers etc TF card instantly released, support various sound formats, bluetooth-compatible model / TF card model switch at any for time; Small compact and slim frame design, weight 17g, easy to carry; Product functions: adjust volume, switch songs, answer incoming calls, reject incoming calls, listen to music, display sound, power indicator. Specifications: Bluetooth-compatible version: BT5.0 Transfer Speed: 100（Mbps） Support : HIFI Music Bluetooth-compatible Playback Sistance :within 10 Meters/33ft Size: approx Mixed Material: ABS Connection: Type C 3.5mm Aux TF for Play Color: Black Package Includes: 1PC x Audio Receiver 1PC x User Manual note: Please allow 0-1cm error due to manual measurement. pls make sure you do not mind before you bid. Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thank you!