Description: Low-latency and barrier-free transmission as well as HiFi and lossless sound effects are supported by this audio adapter because it uses Bluetooth-compatible 5.1 technology. And it comes with upgraded NFC for faster pairing. Featuring an extensive expansion interface, this adapter enables a variety of non-Bluetooth-compatible devices to be Bluetooth-compatible, allowing you to enjoy the beauty of wireless living. It is constructed of ABS material. The length of this product is 9.8cm, the width is 6.7cm and the height is 2.35cm. Suitable for stereos, mobile phones, tablets, etc., this adapter is widely used. Item Name: Audio Transmitter Material: ABS Bluetooth-compatible Version: BT 5.1 Protocol Support: A2DP/AVRCP/HSP/OPP/GATT/SM Operating Frequency Band: 2.402GHz -2.480GHz Sensitivity: -85dbm Less Than 0.1 Ber Signal To Noise Ratio: No Less Than 90db Distortion: No More Than 0.1 Interface Type Input: 3.5mm Aux, RCA, USB, TF Interface, 6.5 MIC Output: 3.5mm Aux, RCA Supported Formats: MP3/WAV/WMA/APE/FLAC/G729/M4A/ALAC/AMR/MIDI/G726/MTY Operating Current: Less Than 40mA Internal Battery: 3.7V/1200mAh Endurance: Rx Approx. 8H, TX Approx. 8H Charging Time: Approx. 1.5 Hours Bluetooth-compatible Distance: No More Than 30 Meters (Open Area) Charging Method: Type-C 5V/1A Compatible Devices: for Android, for IOS Mobile Phones And Pads, Active Speakers, Amplifiers, And Bluetooth-compatible Speakers That Support A2Dp/Protocol Or Headphones Connected Use Features: Coaxial Input, LED Digital Display, with NFC Size Details: L: 9.8cm/3.86", W: 6.7cm/2.64", H: 2.35cm/0.93"(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 Receiver Transmitter 1 x 3.5mm Audio Cable 1 x RCA Lotus Cable 1 x Type-C Charging Cable 1 x User Manual 1 x Remote Control Low-latency and barrier-free transmission as well as HiFi and lossless sound effects are supported by this audio adapter because it uses Bluetooth-compatible 5.1 technology. And it comes with upgraded NFC for faster pairing. Featuring an extensive expansion interface, this adapter enables a variety of non-Bluetooth-compatible devices to be Bluetooth-compatible, allowing you to enjoy the beauty of wireless living. It is constructed of ABS material. The length of this product is 9.8cm, the width is 6.7cm and the height is 2.35cm. Suitable for stereos, mobile phones, tablets, etc., this adapter is widely used.