Chipset: Jieli 6925cBluetooth Version: V5.3+EDRTrack system: StereoDual Sound TrackBattery capacity: 2200mAhDriver units: 43+6Ω8W*2pcs+4Ω15w*1pcsImpedance: 6Ω、4ΩRated power: 31wDriver power: 8W*2/15w*1Color: BlackCharging time: 4hTalk time: 12hMusic play time: 12hBluetooth Protocol: A2DP / AVRCP / HFP / HSPFrequency range:100Hz-20KHzInput voltage: DC5V-1ABluetooth frequency: 2.4GHz-2.480GHzOptimal talking distance: 〈1MTransmission Distance: 10Mbarrier-free space)voice prompt: Yesmultipoint connection: YesInstruction: Chinese & EnglishAccessories: Bluetooth speaker、USB cable、User manualSIZE：Φ85mm×H210mm
