1、360° surround sound field, metal diaphragm and HIFI stereo sound quality. 2、LED rhythmic flashing lights, multi‑color lighting effects, multi‑color lighting alternately appear. There are 7 main colors, 256 color changes. 3、It is mini, compact, one‑handed, only palm‑sized, small and exquisite speakers, easy to carry. 4、Bluetooth 5.2 chip, lower power consumption, more stable, compatible with more Bluetooth devices, 10 meters of Bluetooth transmission, providing high‑quality sound quality transmission. 5、High‑definition hands‑free calling, built‑in high‑definition microphone. Through dual noise reduction processing, high‑definition wireless calls can be realized, making voice calls more natural. Item Type: Bluetooth Speaker Material: Acrylic + Plastic Color: As Pictures Shown Weight: Approx. 213g/7.5ozModel: C7 Bluetooth speaker Output power: 5W Bluetooth version: 5.2 Transmission distance: about 10m/32.8ft Speaker power: 3.7V 1000mAh Specification: DC5A-2A How to use: 1. Press and hold the start button for 3 seconds to turn on, and press and hold again to turn off the phone. After turning on the phone, you can open the Bluetooth settings search of the mobile phone, and see the Bluetooth named C7 for connection (with Bluetooth memory function), and the audio can be played after the connection is successful. 2. Memory card mode, after power on, insert a memory card with music files into the speaker and automatically switch to card reading music mode. After reading the card, the music in the card will be played automatically. 3. TWS true wireless stereo playback, put two C7 card machines into Bluetooth mode, double-click the start button of one of them, this one will automatically search for the other machine to connect, after the connection is successful, a beep will sound and the conversion will be performed automatically It is the left and right channels of the speakers (this function requires 2 speakers and they are both turned on, double-click the start button of one of them to connect, and when one of them is turned off, the other speaker will be turned off synchronously) 1 x Bluetooth Speaker 1 x Charging Cable 1 x Audio Cable 1 x Manual