Bluetooth Sound Receiver Multifunction USB Drive Music Hands Free Call Bluetooth Adapter for Speaker Home Car Item Type: Bluetooth Sound Receiver Material: Aluminium Alloy Model: T30 Pro Bluetooth Version: V5.2 Bluetooth Protocol Support: SBC A2DP Transmission Distance: Up to 30m/98.4ft (Unobstructed Open Place) Input Interface: Bluetooth Input U Disk Input Output Interface: Aux Sound Output Interface (3.5mm) Receiver Battery Capacity: 500mah Lithium Battery (Included) Charging Interface: Type C Call Function: Mobile Phone Bluetooth Hands Free Call Input Compatible Devices: Mobile Phones Tablets Tvs Projectors Game Consoles And Other Devices with Bluetooth Sound Output Function Output Compatible Devices: Power Amplifier Sound Wired Headphones Automobile Decoder And Other Devices with Sound Input Interface U Disk: Support Using U Disk to Play Music (Note: U Disk Can Only Have Song Files and Cannot Have Other Files) Remote Control Battery: CR2025 x 1 (Not Included)