Fun and Portable Speaker for Kids: Lightweight design with a handy loop lets boys and girls attach the speaker to backpacks for music on the move. Wireless Bluetooth Speaker for Kids : Equipped with Bluetooth V5.3 for a stable 10-meter range connection, perfect for home or outdoor use. Interactive 3 Changing Faces: Motion sensor triggers fun face changes, making this Bluetooth speaker for kids engaging and entertaining. Clear Sound with Bass Boost: 3W mono mode output at 80dB delivers rich, vibrant audio with Hi-Res quality for young music lovers. Long-Lasting Playtime: 450mAh battery provides up to 5 hours of playtime; recharges in 2 hours via USB-C. Supports TF card slot for offline music. Recommended Age: 5+ years.