SYDNEY Features: Total Playtime: 5 hours Connect two speakers Water-resistant (IPX5) Bluetooth 5.0 Volume controls Driver unit: 40mm Driver Power: 3W Compatible with Android and iOS Specifications: Driver unit: 40mm Driver power: 3W Sensitivity: 80dB+/-3dB Impedance 4±3﹪Ω Frequency: 80 - 20.000 KHz Working time: 5 hrs Charging time: 1.5 hours Stand-by time: 30 days Charging Type: Micro USB Battery type: Lithium-ion battery/600mAh Battery watt hours: 2.22Wh Bluetooth Version: V5.0 Working Range: >10m Mic Distance: 0.5m Supporting codecs : SBC, MP3, AAC