The Eco Wooden Classic Design Bluetooth Speaker is the perfect combination of style and functionality. This ultra portable speaker is equipped with Bluetooth technology, allowing you to easily connect your devices and play your favorite music. It also has a TF card slot for added convenience. The cute design adds a touch of charm to any room, while the perfect sound quality ensures an enjoyable listening experience. You can also use the aux-in feature for even more versatility.This speaker has a voltage of 3.7V and an output of 3W/4Ω, making it powerful enough to fill a room with music. The impedance is 4ῼ and the frequency range is 2.40G-2.480GHZ. It has a rechargeable battery with a capacity of 600MaH 18650/3.7V and a Bluetooth version of 4.1. The charging time is only 1-2 hours and it has a playtime of 8 hours at 60% volume. The distortion is less than 5% and the SNR (signal-to-noise ratio) is greater than 75dB. The sensitivity is -90dB, making it perfect for outdoor use.This speaker is made with high quality materials such as silicone and ABS, ensuring durability and longevity. It is available in two colors: Wooden Brown+ Black or White. The product size is 8.5 X 8.5 X 3.5 CM and it weighs only 0.20 KG, making it easy to take with you wherever you go. With its sleek design and impressive features, the Eco Wooden Classic Design Bluetooth Speaker from AbrandZ is the perfect corporate gift for any occasion.