Material: PlasticColor: As Pictures Shown Horn: 28 mm/ 1.1 in in Diameter, 4 Ω 2 W Output Power: RMS 2Wx1 Frequency Response Range: 80HZ-20KHZ SNR: >=80dB Battery: 220mAH Charging Time: =240 Hours Working Time: About 2 Hours Charging Interface: Micro USB Interface Mini Speaker 3.5mm Quick access, just turn on the speaker and plug into 3.5mm audio jack, no Bluetooth pairing, no waiting. Plug and play.Compatible with mobile phone, tablet, laptop, MP3 MP4 or other devices with 3.5mm audio jack. Compact size, you can put the mini speaker in your pocket or bag, enjoying music anywhere you go. Package List 1x Speaker1x Date Cable 1x Instruction High Compatibility Compatible with any device with 3.5mm aux audio interface, such as tablet PC, mobile phone, laptop, MP3, MP4, for PSP, carCD etc. Just turn on and plug it in directly to play music or audio video. Mini Speaker This mini speakers with samll size, compact and lightweight. You can put it in your pocket or handbag, carry it with you and use it anytime, anywhere. Broadband Speaker Premium quality full range speakers, clear sound quality and up to four times the normal volume, feeling great. 3.5mm Jack The mini speaker comes with 3.5mm jack, it is high quality. Suitable for any multimedia device with a 3.5mm jack. One-Click Start Long press the to start/stop the plug in speaker, simple plug into 3.5mm audio interface and turn on speaker, no waiting, it is quite convenient. Long Playing time Long standby time of 4 hours, built-in 350mAh lithium battery. With a micro usb charge port, it can be rechargeable.