Input/output connection: 3.5mm audio
Bluetooth version: 5.0
Frequency range: 2.402GHz-2.480GHz
Signal-to-noise ratio: >95db
Supported Bluetooth protocols: A2DP and AVCP
Supported decoding formats: MP3, WAV, WMA, APE, FLAC
Transmission distance: 20 meters (openplace)
Product dimensions: 52*52*11mm
Power supply: 5V
Package contents: Bluetooth receiver/transmitter combo *1, User manual *1, USB charging cable *1, 3.5mm audio cable *1