Elegant classic style solid wood cabinet radio with Bluetooth speaker and FM tuner with Vernier Tuning An automatic switching dual mode amplifier provides better FM reception in class AB mode and better power efficiency for Bluetooth in class D mode. Acoustically tuned wooden cabinet with front speaker and rear passive subwoofer. 36 hours of battery life on full charge with built-in rechargeable 2600 mAh lithium-ion battery FM wire antenna, Micro USB charging cable and high quality carrying pouch included Sangean won the Audio category for the Prestige diamond discreet EMEA 2019 Award held in Monaco February 2019 for the superior sound quality of the wr-7 Power source type: Battery Powered