1、Through two devices, you can perform 1 plus 1 pairing to form a pair of speakers for playback. 2、HiFi level sound quality, surround sound, high resolution, and bring you a high fidelity sound music experience. 3、Fashionable and high end appearance, popular line sense, adopts a 4 Ohm 5W 52mm/2in speaker, and equipped with a speaker cavity with independent bass diaphragm, has good sound quality. 4、You can insert memory card and U disk to play MP3 music, and you can also use FM radio to listen to the broadcast. 5、The shell is made of mesh fabric, which feels comfortable, and there is a rubber hand strap for easy carrying. 6、Compatible with bluetooth devices such as mobile phones, computers, tablets, etc, and also compatible with common operating systems on the market such as for Windows, for Android, for iOS. 1 x Wireless Bluetooth Speaker1 x USB Charging Cable Item Type: Bluetooth SpeakerMaterial: ABSBluetooth Version: 4.2Bluetooth Protocol: A2DP, HSP, HFP, AVRCPSignal Transmission Distance: Approx. 10m/ 32.8ftSignal to Noise Ratio: 95dBDistortion Rate: < 0.5%Speaker Specifications: 4Ω/5WΦ52mmx1Frequency Response Range: 280Hz~16KHzUse Time: 5 HoursBattery Specification: Lithium Battery 18650 3.7V/800mAh (Built in)Charging Interface: MicroCharging Specification: DC 5V---1ACharging Time: 2 HoursAudio Input: USB, Memory Card, Aux