Using large-capacity battery, this wireless transmitter features long standby time. This wireless transmitter is plug play, which is easy and convenient to use. Featuring Bluetooth-compatible5.2 technology, this wireless transmitter has fast and low-latency signal transmission as well as lossless and HiFi sound effect. It is constructed of ABS material. The LED display makes it easy and convenient to read. The length of this wireless transmitter is 4.8cm, width is 4.8cm and thickness is 1.2cm. This wireless transmitter is suitable for being used in laptop, loudspeaker, smartphone, computer and so on. Item Name: Wireless Transmitter Material: ABS Bluetooth-compatible Version: 5.2 Power Input Port: USB Type-C 5V/0.5A Transmission Distance: >10m Built-in Battery: 250mAh(Included) Charging Time: about 2H Working Hours: RX: 20H, TX: 12H Audio CODEC: TX: aptX Adaptive/aptX HD-compatible/aptX LL/aptX/SBC RX: aptX Adaptive/aptX HD-compatible/aptX/AAC/SBC Input/Output Connection Method: 3.5mm Stereo Audio Interface, Type-C Features: Driver-free, Quick Transmission, Stable Output Size Details: 4.8cm x 4.8cm x 1.2cm/1.89" x 1.89" x 0.47" (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 Wireless Transmitter 1 x Type-C Charging Cable 1 x 3.5mm Audio Cable 1 x User Manual