Three-frequency equalization: Professional tuner carefully tuned DSR, high power digital power amplifier N40 neodymium magnet large diameter speakers, sound quality more shocking. Karaoke/video/game: High-power external amplifier, whether for home theater, party K songs or gaming games, enjoy the shocking sound. 360 shocking bass: Powerful bass, rich and full sound field effect, give you a concert-like live sound quality. IPX5 waterproof: Bathroom singing is not afraid; Put the sound of singing in the bathroom concert, super waterproof performance, shower singing is not afraid of bad. Multiple playback modes: Support Bluetooth playback, TF card playback mode, to meet your different playback needs. Ultra-long battery life: Core power, equipped with a 1500 mAh battery with long battery life, 24 hours of continuous listening. Name: Portable Bluetooth Speaker Bluetooth version: V5.3 Connection distance: 10 meters Charging time: 2 hours Battery capacity: 1500mAh Output power: 10 watts Supported protocols: A2DP /HFP/HSP/ AVRCP /SP/PBAP Whether built-in battery: built-in battery Features: Bluetooth playback, TF card playback, IPX5 waterproof, Type-C charging port, 10W high power, shocking sound quality. Colour:Dark Gray Material:plastic Package Contents: 1 x Bluetooth Speaker Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.