Description: Upgrade the chipset Bluetooth-compatible 5.2, you can enjoy higher quality, shorter transfer time, and enjoy great sound at distances over 10 meters without any cable connection. Built-in 250mAh large battery, can last for 20 hours, supports use while charging, perfect use experience. The two-in-one Bluetooth-compatible audio receiver transmitter can be connected to the 3.5mm audio interface of the TV, and transmits the sound to the headset. It allows you to watch movies late at night without disturbing your family. It is constructed of ABS material. The length of the product is about 6.5cm, the width is about 3.5cm, and the height is about 1.15cm. Using high-performance chipset, intelligent noise reduction, higher-definition sound quality, support for aptX, aptX LL, aptX HD-compatible, aptX Adaptive. Item Name: Audio Adapter Material: ABS Bluetooth-compatible Version: V5.2 Power Input Port: USB, TYPE-C 5V/0.5A Transmission Distance: >12 meters Built-in Battery: 250mAh Charging Time: about 2H Working Time: RX>20H TX>12H Audio Code: TX: aptX Adaptive/aptX HD-compatible/aptX LL/aptX/SBC RX: aptX Adaptive/aptX HD-compatible/aptX/AAC/SBC Input/Output Connection Method: 3.5mmm Stereo Audio Interface, TYPE C Audio Output Port (Requires Cable to Support Data Transmission) Features: 2 in 1, Wireless, Universal Size Details: 6.5cm x 3.5cm x 1.15cm/2.56" x 1.38" x 0.45" (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 Charging Cable 1 x User Manual