Product Description Charging Induction Coil: Upgraded with two induction coils, enabling wireless charging of mobile phones in both horizontal and vertical orientations. Bluetooth TF Card Playback: Bluetooth 5.1 ensures fast data transfer speeds, stable connections, and low power consumption. Also supports TF card music playback. LED Display and Clock: Features a clock display and two alarm settings. The LED digital display shows mode status, time, alarm information, etc. Easy Operation: Easily control power on/off, pause/play, volume up/down, previous/next track, etc.; press the M button to easily switch audio sources. Long Battery Life: Built-in 1200mAh rechargeable battery provides up to 4 hours of music playback. Can be charged via Type-C interface and charging cable. Specifications: Bluetooth version: V5.1; Bluetooth transmission distance: 10 meters (unobstructed); TF card: Maximum support 32GB (not included); Speaker specifications: φ45mm x 1, 4Ω, 5W; Passive diaphragm: φ40mm x 1; Playback time: Approximately 4 hours (depending on volume); Charging time: Approximately 3 hours; Battery capacity: 3.7V/1200mAh lithium battery; USB interface output: DC5V 1A, 5W; Wireless charger output power: 10W, 7.5W, 5W; Product dimensions: 16.2*12.0*10.0cm; Product weight: 360g