EWA A127 Outdoor IPX5 Waterproof Portable Mini TWS Wireless Bluetooth Speaker Features: 1. Using Bluetooth 5.0 chip + EDR design, compatible with all Bluetooth devices. Built-in microphone, very convenient to answermake calls. 2. 5W high power, 360-degree surround sound, giving you a different audio-visual experience. 3. Supports music files in MP3, WMA, WAV, FLAC, and APE formats. 4. Support TWS function, you can connect two speakers to synchronize with one mobile phone. 5. Built-in 500mAh large-capacity lithium battery, which can be recycled and play music for a long time. Specifications: 1. Bluetooth version: V5.0 2. Bluetooth distance: 10m 3. Waterproof level: IPX5 4. Frequency response range: 60Hz-15KHz 5. Signal-to-noise ratio: greater than or equal to 85dB 6. Number of speakers: 1 7. Battery capacity: 3.7V500mAh 8. Playing time: about 4H 9. Charging time: about 2H 10. Charging interface: Type-C 11. Box material: metal 12. Product size: 46mm x 39.3mm Packaging list: Bluetooth speaker x 1 Charging cable x 1 User manual x 1