Feature: 1 Lovely Luxury Beautiful Amazing curve one metal artistic design. 2 Multi-way connectivity and high compatible with all device, enjoy the music time anywhere anytime. 3 Built-in CSR bluetooth chip and auto memory connectivity, just need to connect one time only. 4 HIFI sound quality with rubidium magnet speaker,provide excellent sound for you. Specification: Bluetooth version: 3.1+EDR Input power:3.2W Response frequency: 80Hz-20KHz SNR:80dB Speaker sensitivity:400mV Distortion: 1% Audio input:3.5mm Battery capacity: 600mAh Dimension: 78*78*34mm Weight:280g Package include: 1X BS-01 bluetooth speaker