1、If two speakers can be connected in series, the two speakers can play music at the same time, which is more three‑dimensional. 2、Bluetooth 5.0 high‑performance chip, intelligent automatic pairing, while reducing power consumption, greatly improving the Bluetooth transmission rate. 3、It supports playback of MP3 songs from U disk and memory card, supports all audio input from the external 3.5mm terminal, supports FM automatic channel search, and multiple functions for you to use. 4、The appearance design is elegant, the ABS material feels comfortable, it is effortless to grasp, and can be used at home or travel. 5、Compatible with Bluetooth devices such as mobile phones, computers, tablets, and other operating systems such as for Windows/ Android/iOS. Item Type: Bluetooth Speaker Material: ABS Color: Black Speaker: Φ52mm 3Ω5W Output power: 5W x2 Frequency Response Range: 85Hz-20KHz External Magnetic Horn: Dual magnetic heavy low frequency Input Sensitivity: 400mV Separation: ≥90dB Signal to Noise Ratio: ≥80dB Charging Interface: Micro Input Specifications: DC 5V---500mA Battery Specification: Lithium battery 1200mAh (built-in) Function: Built-in Bluetooth wireless transmission, hands-free function for incoming calls Hands-free protocol (HSP V1.2 HFP V1.5) Stereo audio transmission protocol (A2DP V1.2) Bluetooth version: BT5.0, the bass is more shocking 1+1 pairing function, wireless connection up to 10 meters Support playing MP3 songs of U disk and memory card Support all audio input from external 3.5mm terminal Support FM automatic channel search Support rechargeable Colorful lights 1 x Bluetooth Speaker 1 x USB-Micro Charging Cable