[bluetooth 5.0] True Wireless Earbuds TWS Stereo Bilateral Calls IPX7 Waterproof Earphone Headphones with 2000mAh Charing Box Power Bank

Specification: Color: Black bluetooth version: BT 5.0 + EDR Input voltage: DC 5V Earphone frequency: 2.4GHZ Compatible protocol: AAC, SBC Playtime: About 3-5 hours Standby time: 150 hours Earphone cap