I bought this to mute the TV sound when watching at my parents' house, but I only used it once. In the end, it was easier for me to just connect headphones directly to the TV... The product itself is very good ☺ ⚠ Everything in the second photo is included! Product Description Compatible devices: Smartphones, TVs, Bluetooth headphones, Bluetooth speakers, TV, PC, iPod, PDA, MP3/MP4, audio devices, TVs, etc. Compatible with 3.5mm audio devices. Bluetooth Version: BT.V5.1 Technical Standards Compliance Mark: Certification number 210-213683 Operating Frequency: 60Hz〜20kHz Effective Range: Up to 10M (*Communication distance depends on the performance of the Bluetooth devices used for communication, their respective power levels, and the surrounding environment.) Power Supply: Type-C cable power supply 5V/1A Input: DC 5V/1A Supported Protocols: A2DP, AVRCP, SPP, HID Product Material: ABS Product Size cm: Approximately 6.4 x 4.6 x 1.7 Package Size cm: Approximately 17.4 x 8.5 x 2.2 Product Weight g: Approximately 26g Shipping Weight g: Approximately 118g