... Built-in rechargeable lithium battery 3. SD/USB/TF/FM 4. ODM OEM Android Robot mini Speaker Specification: 1 ... 90HZ-20KHZ2, Load power: 3W3, Distortion : ≤0.3%4, Speaker Unit: 40mmx25, SNR:> 85dB 6, Charging power: ... With swich power and two clour LED light.4. Use new technology.low dissipation.large power 5 ... and protable can be takea nywhere 7. Support SD/TF Card, FM radio, Auto search 8. 40mm internal ...