bluetooth speaker Y669

FEATURES: 1.Waterproof: IPX7 2.Unique 2.1 speakers 2*8W mid-high frequency speakers+1*15W low frequency speaker) 3. real 30w stereo effect sound, like Bose soud | PARAMETERS: Chipset: Jieli 6925c Bluetooth Version: V5.3+EDR Track system: StereoDual Sound Track ） Battery capacity: 2200mAh Driver units: 43+6Ω8W*2pcs+4Ω15w*1pcs Impedance: 6Ω、4Ω Rated power: 31w Driver power: 8W*2/15w*1 Color: Black Charging time: 4h Talk time: 12h Music play time: 12h（50% volume） Bluetooth Protocol: A2DP / AVRCP / HFP / HSP Frequency range:100Hz-20KHz Input voltage: DC5V-1A Bluetooth frequency: 2.4GHz-2.480GHz Optimal talking distance: 〈1M Transmission Distance: 10Mbarrier-free space) voice prompt: Yes multipoint connection: Yes Instruction: Chinese & English Accessories: Bluetooth speaker、USB cable、User manual SIZE：Φ85mm×H210mm