Marshall Kilburn II with 20+ hours of portable playtime
Bluetooth 5.0
IPX2 Water-Resistant
Bluetooth range : 10m(30ft)
Adjustable bass and treble control
Built-in, rechargeable Li-ion battery
Quick charge

Battery Type : Built-in, rechargeable Li-ion battery
Play Time : 30+ hours
Quick Charging : 20 minutes charge gives 4 hours of playtime
Charging Time : 3 hours
Driver Type : Dynamic
Frequency Range : 60-20,000 Hz
Bluetooth Range : 10m (30ft)
Wireless Connectivity : Bluetooth 5.1