Item Type: Wireless Bluetooth SpeakerMaterial: Composite Wood, ABSDAB/DAB+ Frequency Band: Band III: 170-240MHzBluetooth Audio Receiver (V5.0), Bluetooth Name: H6Bluetooth Hands Free CallingFM Broadcast Reception (87.5-108MHz), the Antenna Stretches 35cm/13.7in in Total LengthCan Preset 10 FM and 10 DAB Favorite ChannelsUSB, Memory Card PlaybackAUX in External Audio Source InputSupports Priority Playback After InsertingKey Operation, 360 Degree Rotary Encoder Digital Volume AdjustmentExternal DC 5V 1A Charger, Built in 3.7V 2000mAh Lithium Ion Battery (Shipped with Built in Battery)Clock Setting, Alarm Time Setting128x64 Dot Matrix LCD Multi Function DisplayBluetooth Receiving Distance: Open Distance 10m/32.8ftSpeaker Unit: Internal Magnetic 57mmx57mm/22.4x22.4in, 4 5WWoofer: 52mm/20.4inPackage List1 x Speaker 1 x AUX Cable1 x USB Charging Cable1 x Manual 1Support DAB or DAB+, bluetooth audio, U disk and memory card, MP3 music player, FM radio, external audio source access and other functions. 2The wireless bluetooth speaker supports priority playback after inserting, and clock setting, alarm time setting. 3External DC 5V 1A charger, built in 3.7V 2000mAh lithium ion battery FM transmitter and receiver (87.5108MHz). 4Antenna extension 35cm/13.7in, you can set 10 FM and 10 favorite DAB channels. 5The portable wireless bluetooth speaker receives open distance is 10m/ 32.8ft. 6Key operation, 360degree rotary encoder digital volume adjustment, 128x64 dot matrix LCD multi function display.