Model Number BTS-JM 10 Size 70*120 mm Materials ABS Color Red, black, blue, white, yellow,customized Battery rechargeable Li-Ion battery,support 6 hours play Certification CE, CE EMC, CE LVD, ROHS,PHTHALATES, SCCP, PAHS, REACH, HEAVYMETAL, 12 P, R&TTE, http://www.wirelessspeakerchina.com