Product name: microphone bluetooth speakersSound system: suspension solid double trackOutput power: 3 wBattery capacity: 1500 mahWeight: 0.65 kgProduct size: 70 * 155 mmFile format: MP3 / WMA/FLAC/APEColor: silver， gold， red， blackStorage type: support TF CARDS/telephone/AUX2.4 G wireless audio receiving bluetooth， usb flash drive. TF. Radio. AUX function. Bluetooth version 3.0