Icoox Honeycomb Portable Speaker, Bluetooth Speaker CSR 4.1 Stereo Systems, Built-in 1500mAh Rechargeable Battery- up to 10+ Hour Playtime for all Bluetooth Devices (Black) Special out-looking design with beehive style;Body finished with luxurious painting and decorated with qualified metal Amazing Hi-Fi mids, highs and bass with inner magnetic speaker unit plus nice bass processing technology to get same level of sound quality like Jambox, JBL etc. Best Bluetooth chips CSR used for music lover only; Mini, light and portable easy for enjoying music when walking, travelling and gathering; Long life span Li-ion battery(1500mAh) for continuous playing time 10+ hours; Calls sound quality is stable and pure with electronic noise reduction technology;