JB lap Bigbang Bluetooth 4.0 Speaker 60W Power HiFi Series 2016 HiFi Series 2016. 60W power HiFi Sound system BIGBANG. BIGBANG is Bluetooth speaker. so you can play Music and hands free call with connect. Bluetooth 4.0 chipset use. MAX 60W High Power Mainly Point - Piano UV coating body, perfect ceiling enclosure,Monster-class hi-fi speakers dedicated subwoofer , advanced radiator SQL Test - 60 HZ ~ 20000Hz frequency range provide.balanced sound , deep rich and clear sound output. // SPL - MAX 114dB Powerful high power Micro 5pin Charge, 1 hour charge - Max 20 Hours played , AUX input provide Monster 1.7inch Full Ranger speaker unit x2 , Metal passive radiator x2 // MAX 60Hz ~ 20000Hz Frequency // Power 20W ( 10W x 2), Max Power - 60W ( 20W x2 + 10W x2) // Bluetooth 4.0ver , Bluetooth standard Power Class 2 / Rang - 10M / Frequency Rang - 2.4Ghz / Profile - A2Dp, AVRCP, HFP, SPP / A2DP - 20Hz ~20000Hz (44.1kHz sampling)