>>AUDIO SPECIFICATIONS DRIVER TYPE : Dynamic FREQUENCY RANGE : 52-20,000 Hz ADJUSTABLE BASS AND TREBLE CONTROLS : Fine tune your music using the analogue controls on your speaker STEREO/MONO : Stereo MAXIMUM SOUND PRESSURE LEVEL : 100.4 dB @ 1 m CABINET PRINCIPLE : Bass-reflex POWER AMPLIFIERS : - One 20 Watt Class D amplifier for the woofer - Two 8 Watt Class D amplifiers for the tweeters >>BATTERY BATTERY TYPE : Built-in, rechargeable Li-ion battery PLAY TIME : 20+ hours QUICK CHARGING : 20 minutes charge gives 3 hours of playtime CHARGING TIME : 2.5 hours >>CONTROLS AND CONNECTIVITY WIRED CONNECTIVITY : 3.5 mm Input TOP PANEL CONTROLS : - Bluetooth button - Power/volume knob - Bass knob - Treble knob - Battery indicator CUSTOMISE SOUND : Yes, on speaker BLUETOOTH RANGE : - 10 m - 30 ft CODECS : SBC + aptX WIRELESS CONNECTIVITY : Bluetooth 5.0 >>PHYSICAL UNIT DIMENSIONS : - 243 x 162 x 140 mm - 9.57 x 6.42 x 5.51 in WEIGHT : - 2.5 kg - 5.5 lb WATER RESISTANCE : IPX2 >>POWER MAINS INPUT VOLTAGE : 100-240 V MAINS FREQUENCY : 50-60 Hz