LOGITECH SPEAKERS BLUETOOTH BLUE – LOGITECH ULTIM EARS BOOM 3 WL
Drivers: Two 2” drivers and two 2” x 4” Passive Radiators.; Maximum Sound Level: 90dBC.; Select the best Sound for different occasions with 4 different presets and a customized tuner.; Pair up to 8 Bluetooth enabled source devices – Connect up to two source devices at the same time. Mobile range of play is up to 45 m (150 ft).; Rechargeable Lithium-Ion Battery for up to 15 hours of battery life** between Micro USB charges.