Cyanics Divoom Bluetune Solo Portable Bluetooth Speaker and Speakerphone for iPhone 5, 4S, 4, Samsung Galaxy S3, S2. iPad, LG Optimus G and more (Color Option Slate)
Output power: 4W (RMS ). Spearker Unit: 50mm micro driver. Bluetooth compliant: V2.1+EDR. Wireless range : 10M. Bluetooth profile support:  A2DP Stereo. Speaker playtime: up to 8 hours. Bluetooth playback time: up to 4 hours. What is in the box: 1 pc Bluetune-Solo, 1 pc of 2 in 1 charging/audio cable, 1 pc of user manual.