Supports BT connection and TF card music playback modes, allowing you to enjoy music anytime and anywhere.
BT 5.1, high data transmission speed, stable performance, and low power consumption, delivers great sound quality.
Built-in 500mAh rechargeable battery offers continuous working time for about 4 hours.
Mini size, with a portable lanyard, you can hang it on your backpack, or just put it in your bag.
Supports true wireless stereo function, two of them can connect to each other for stereo and powerful rich sound.
Features: Supports BT connection and TF card music playback modes, allowing you to enjoy music anytime and anywhere. BT 5.1, high data transmission speed, stable performance, and low power consumption, delivers great sound quality. Built-in 500mAh rechargeable battery offers continuous working time for about 4 hours. Mini size, with a portable lanyard, you can hang it on your backpack, or just put it in your bag. Supports true wireless stereo function, two of them can connect to each other for stereo and powerful rich sound. Full-color RGB light makes it cool on your way. Double click "-" button to turn it on and off. How to activate the True Wireless Stereo function: Activate true wireless stereo sound by pairing 2 BT513 speakers. Turn 2 speakers on and double press the power button of one speaker, then two of them will pair automatically. Specifications: BT Version: 5.1 Operation Range: 10m (no obstacle) Horn: D52mm Rated Power: 3W Frequency Response Range: 250Hz-16KHz Sensitivity: 77±3dB Battery Capacity: 500mAh Working Time: about 4 hours (Medium Volume) Charging Time: about 2 hours TF Card Support: Max. 32GB (NOT Included) Charging Port: Micro USB, DC 5V 300mA Color: Pink, Blue, Green, Cyan (Optional) Item Size: 88.8*68.2*36mm/3.49*2.68*1.41in Item Weight: 105g/3.70oz Package Size: 9.3*8.3*3.7cm/3.66*3.26*1.45in Package Weight: 126g/4.44oz Package List:   1 * BT Speaker 1 * Audio Cable 1 * User Manual (English/Chinese)