Features: 1. Small and breakthrough design. 2. Support TF card and flash drive play. 3. Listen the saturated and comfortable sound, and offer best sound for you. 4. Dual speakers, restore most of the charm of the music, the ultimate balance of treble, alto and bass. Specifications: General Specification Brand Sansui Model T18 Color Black, Blue, Red Dimensions 188*54*64mm Technical Parameters Microphone Yes Connectivity Bluetooth Bluetooth Version V3.0 Transmission Distance 10m Output Power 3W*2 SNR ≥75dB Impedance 20KΩ Frequency Response 50-20kHz Battery Capacity 1200mAh Package Included: Sansui T18 Wireless Bluetooth Speaker 1200mAh Subwoofer Portable Speaker Dual Unit TF Card U Disk 1* Sansui T18 Wireless Bluetooth Speaker 1* USB charging cable 1* Audio Line 1* Chinese manual Ships in 7 business days. It is shipped from China. Delivery is provided by China Post Air Mail. Delivery time depends on the couriers, local customs in your country also holidays, weather conditions. Usually it takes from 39 to 60 days, depending on the customs at your country.