Welcome to our store!</br> 1、This lightweight portable wireless audio transmitter and receiver is an ideal wireless audio solution for various situations and uses. 2、With the included 3.5mm cable and 3.5mm to for RCA cable, can be widely used in computers, laptops, home stereo systems, earphones, smart phones, MP3 players, CD players, etc. 3、Receiver mode, wirelessly transfer audio from Bluetooth‑enabled phones, tablets or computers to speakers or headsets. 4、Transmitter mode, to wirelessly stream audio from a non‑Bluetooth TV, home stereo system or CD player to a Bluetooth headset or speaker. 5、The transmission distance is about 10m/32.8ft, with the working time about 10 hours after full charged. <p class="wang-edit-text"><p class="wang-edit-text"> Item Type: Audio Receiver Transmitter Material:  ABS Color: As Picture Shown Weight: Approx. 88.0g/3.1oz Model: BT-13 Bluetooth Version: V5.0 Battery Capacity: 200mAh Battery Type: Li-ion Battery Bluetooth Support Protocol: A2DP/AVRCP Support Multi-Format Decoding: MP3, WAV, WMA, APE, FLAC Charging Input Voltage: DC 5V Power Supply: 3.7V Low Power Consumption: less than 20 mAh for playback, 0.6-4.5 mhA for connected standby, within 2 mAh for shutdown Working Time: 10 hours Charging Time: 2 hours Transmission Range: 10m/32.8ft (open area) Signal to Noise Ratio: Above 95db <style> .wang-edit-text{ font-family:'Arial' !important; } .wang-edit-text table { border-top: 1px solid #000; border-left: 1px solid #000; } .wang-edit-text table td, .wang-edit-text table th { border-bottom: 1px solid #000; border-right: 1px solid #000; padding: 3px 5px; } .wang-edit-text table th { text-align: center; }</style> 1 x Audio Receiver Transmitter1 x Manual 1 x Charging Line 1 x Connection Cable (Customer Satisfaction) - is our priority. If you notice any problems with the products after receiving the goods, such as damaged goods or incorrect quantity, please contact us immediately. We will do our best to provide you with satisfactory after-sale service.</br> Note: 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. Sold by-Minnanxin