Features: Mobile phone connect speakers music High quality and durable design Fashion and laconic cylinder shape design, full of modern feel Stereo and Bass Sound Effect Support A2DP,AVRCP, Handsfree profile,FM radio,SD card. Specifications: Bluetooth Version:V4.2 Working Range:in 10metres Speaker:45mm Loudspeaker Output:5W Signal-to-Noise:≥95dB Battery Voltage/Capacity:400mAh Battery Charging Voltage:5V±0.5V Battery Charge Time: 2-3hours Play time values for speakers :4-5hours Dimension:123mm*46mm*81mm Gross Weight:258g Package Included: 1*Bluetooth Speaker 1*Charging Cable