HOPESTAR A20 Pro TWS Portable Outdoor Waterproof Subwoofer Bluetooth Speaker with Microphone, Support Power Bank & Hands-free Call & U Disk & TF Card & 3.5mm AUX, A20 Pro Black, A20 Pro Green, A20 Pro Blue, A20 Pro Red, A20 Pro Yellow

Features:
1. Wireless connection
2. Memory function
3. Support U disk / TF card / AUX play mode (U disk and TF card are not included)
4. Built-in lithium battery
5. Support hands-free call function
6. Support MP3 / WAV / WMA / FLAC / APE music format decoding
7. Use high-fidelity speakers to make the sound more natural and delicate
8. 1 + 1 serial function (TWS function)
9. IPX6 waterproof rating
10. Support power bank function
11. Equipped with an external microphone, which can be connected to speakers for K song activities

Product specifications:
1. Wireless standard: Bluetooth 4.2
2. Transmission distance: 10m
3. Output power: 10W x 2 + 35W
4. Playing time: 4 hours
5. Frequency influence: 100Hz-10KHz
6. Speaker: 66mm x 2, 4 ohm, 10W; 102mm, 4 ohm, 35W
7. Input power: DC 5V, 2A
8. Current consumption: up to 1A
9. Battery type: 18650 lithium ion
10. Battery capacity: 6000mAh
11. Audio signal input interface: 3.5mm
12. Power bank function: 5V, 1A