Model---D26 Colour--- Black Warranty---6 months Transmission distance --- <10m Bluetooth Version---V5/Impendance ---4Ω Rate power---5W Driver Unit---52mm Frequency Response---120HZ-20KHZ Input---DC5v 500mA-100MA Battery Capacity------1200mah Charging Time ---3:30 hr Playing Time---3:30 -- 4Hr (100% volume ) Playing Time --- 6-7Hr(50% volume) Size---160*58*75 mm /Weight ---358.5 g Support ---AUX Cable /FM/USB/Bluetooth. Function ------------ Press and hold power button to power on and blue light flash. Press and hold to power off. Bluetooth is connected, the blue light flashes every five seconds. (+) short press for previous song. (-) Short press for next song . (+) press and hold to increase volume. (-_ Press and hold to decrease volume. (>) Short press to play/ pause the current track.(m) Shot press to switch to bt/ TF card /USB/AUX mode. Press (>) button to answer or hang up the phone call. Reject Phone call (>) hold for 3 second to reject the incoming call. The red indicator of the speaker lights up when charging . The red indicator goes off when fully charge/ Press the (>)button twice to dial the last phone number. In wireless mode . power on both speakers separately press (>) button two click on one of the speaker. Press again to exit interconnection mode with beep prompts.