bluetooth 5.0 wireless earbuds with 4200mah charging case ipx7 waterproof tws stereo headphones ear built in mic headset

4200mah led charging case 4200mah large capacity charging case could support 40 times fully charging for bluetooth earbuds, 3-4 hours playtime on a single charge and total 320 hours cycling playtime. tws & bluetooth 5. 0 provides in-call stereo sound. also own fast and stable transmission without tangling. hi-fi stereo sound quality offer a truly authentic sound and powerful bass performance with 8mm large size speaker driver one step pairing pick up 2 headsets from charging box they will