*KTX-1526 WIRELESS RECHARGEABLE PARTY OUTDOOR PORTABLE BLUETOOTH SPEAKERS* *_R.S- 2900/-_* Function: USB / TF Card / FM Radio / BLUETOOTH / MIC Speaker Speaker Type: PORTABLE Mp3 Player Karaoke Function Wireless stereo twin speaker USB Chargeable Wireless Speakers Speaker Size: 12.9 x 12.4 x 29.9 cm Wireless Transmission range: Upto 10 meter Speaker Drive size: 4 inch x 2 Output power: 5W x 2 Frequency Response: 100Hz – 20kHz FM Scan Range: 87.5 – 108.0 MHz Battery Capacity: 1200mAh Max memory Support (USB/SD): 32GB Charging Time: 2-3 hours