Owning two-in-one mode of transmitting and receiving, the Bluetooth-compatible adapter can be switched at will. It is easy to use the product that is no need to install any driver due to plug and play performance.Equipped with LED digital display screen, working status and Bluetooth-compatible mode are clearly visible. The built-in high clarity microphone supports wireless music listening, hands-free calling and navigation.It is made of ABS material, which is lightweight and durable.The length of the adapter is 9.2cm, the width is 6.5cm, the height is 2cm. The length of the screen is 3.2cm, the width is 1.45cm, the height is 0.7cm.It is perfectly fits for mobile phones, tablets, computers, TVs, amplifiers, headphones, projectors, mixers, for Android, for IOS system mobile phones, active speakers, Bluetooth-compatible speakers or earphones supporting A2DP protocol and all other devices with audio input and output interfaces.Item Name: Bluetooth-compatible ReceiverMaterial: ABSModel: M8Colour: BlackSNR: ≥90dBDistortion: ≤0.1PercentBluetooth-compatible Version: V5.0Use Time: About 8-10 HoursCharging Time: About 1.5 HoursFrequency Range: 2400-2483.5mHzWorking Current: Power Parameters: DC5V 500mA (2.1A Max.)Battery Capacity: 3.7V 500mAh (Included)Response Frequency: 10Hz-20kHzTransmission Distance: About 10M(Barriers Free)Power Supply Mode: Type-C InterfaceInterface Type: AUX/RCA/Digital Optical Fiber/Coaxial/U Disk/TF CardUsage Method: Plug Play, Infrared Remote Control(5-8Meters)Supported Protocol: RX:A2DP AVRC TX:A2DPWorking Frequency: 2.402gHz-2.480gHzSensitivity: -85dBm, Supported Format: MP3/WAV/WMA/APE/FLAC/G729/M4A/ALAC/AMR/DTS/MIDI/G726/MTYBasic Functions: Bluetooth-compatible Receiver, Bluetooth-compatible Transmitter, U disk, TF Card Playback, Infrared Rremote ControlSize Details: Adapter Size: 9.2cm x 6.5cm x 2cm/3.62" x 2.56" x 0.79" (Approx.)Screen Size: 3.2cm x 1.45cm x 0.7cm/1.26" x 0.57" x 0.28" (Approx.)Notes:Due to the light and screen setting difference, the item's color may be slightly different from the pictures.Please allow slight dimension difference due to different manual measurement.Package Includes:1 x Bluetooth-compatible Receiver1 x Remote Control (with Button Battery)1 x Red White RCA Lotus Thread1 x 3.5MM Audio Cable1 x Type-C Charging Cable1 x User Manual