Feature 1 Superior Sound Quality: The special wood resonance cabinet, full range dual speaker left and right channel to release the real pure sound. 2 Wireless Connection: Bluetooth connection, get rid of the ties, fast and stable, easy to connect, enjoy wireless music. 3 Long Battery Life: Built in 1200mAh lithium battery can last for 68 hours on a full charge, allowing you to enjoy your music. 4 Stable Performance: High density board structure box can effectively eliminate bad resonance. The wood grain is better integrated with the furniture environment. 5 Wide Compatibility: Fully compatible with smart matching phones, tablets, desktops, laptops, etc.Item Type: Bluetooth SpeakerMaterial: MDFFrequency Range: 60hz-18khzSensitivity: 80db2dbBluetooth Protocol: 5.0Built in Polymer Lithium Battery: 1200mahSize:Length: Approx. 77mm/0.3inWidth: Approx. 59mm/0.2inHeight: Approx. 77mm/0.3in Package List1 x Bluetooth Speaker1 x Manual1 x Charging CableNoteManual measurement please allow some errors