EWA A119 Portable Wireless Bluetooth IPX7 Mini TWS Speaker Feature: 1. Focus, professional, Be careful about every detail on the space, ability is in so cabinet size, achieve the optimal balance of sound quality and sound cavity, bring purer, full, hongliang timbre. 2. Delicate, more than one side, stainless steel materials with etching process, the difficulty and cost is higher than several letter, only for the delicate side. 3. Featured super bass give you high fidelity music enjoyment 4. Big power with small volume, redefine the super bass concept. 5. Dual-frequency deconding, support TF card,plug-and-play Specifications: 1. Bluetooth distance: 10 meters 2. Speaker size: 40mm 3. Speaker power: 3W 4. Frequency range: 100-18KHz 5. Distortion: THD<10% 6. Signal-to-noise ratio: ≥85dB 7. Battery capacity: 3.7V 400mAh 8. Working hours: 4 hours 9. Charging time: 2 hours 10. Product size: D34xD34xH41.1mm 11. Net weight: 90g 12. Gross weight: 120g Packing list: Speaker x 1 Charging cable x 1 User manual x 1 Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement.