Specification: Bluetooth version: 5.0; Function: Bluetooth audio receiving and transmitting in one; Built-in noise reduction HIFI sound quality; Transmission signal distance: 15m; Fully compatible with automatic matching; Battery: 300 mAh Input interface: 3.5mm; Input voltage: DC/5V; Support hands-free calling LCD screen display No need to drive, plug and play; Package includes: 1 x Bluetooth audio receiver transmitter 1 x 3.5mm audio cable 1 x Charging cable 1 x Manual NEW DESIGN: The first Bluetooth receiver with a LCD display screen has come. You can have all the information of the wireless streaming status from a simple glance at the screen. It shows Bluetooth connection status. BLUETOOTH 5. 0 RECEIVER: Installed with Bluetooth 5. 0 chip, new wireless music receiver has an unrivalled performance with 2 times faster transmission speed, stronger connection stability and wider signal range of 10M than the older version. BLUETOOTH COMPATIBLE: This audio Bluetooth adapter support 3.5mm aux audio, and also compatible with all smartphones, bluetooth audio devices (Bluetooth headphones, Bluetooth speakers and much more). TRANSMITTER RECEIVER MODE: 2in1 design, by using this wireless adapter, you can send and receive all of the audio freely and easily. Transmitter enables your TV, AV Receiver, Radio and other home audio source devices to stream music to your Bluetooth headphones or speakers; Receiver lets non-Bluetooth devices like your home stereo or AV Receiver and wirelessly stream music from your cellphone/PC.