Description: 1.Model : m19 2.Specification bluetooth: v5. 1 3. bluetooth profile: a2dp, avrcp, hfp; hsp 4. working voltage: 3.1v ~ 4.2v 5. charging voltage: 5v-1a 6. Battery capacity of the headset: 50mah 7. storage box battery capacity: 2000mah 8. Transmission distance: &gt;10m Specifications: Brand 1,100% new and 2. bluetooth wireless headset 3. led digital power display 4. Intelligent touch control without compression (play/pause, answer/off, switch songs, adjust volume, call voice assistant) 5.Bluetooth 5.1 6. high fidelity sound quality 7. can be used as, power bank, flashlight 8. hd voice assistant 9. light weight 10. intelligent noise reduction 11. comfortable and painless for ear, light weight, no pressure, no damage to hearing ability 12. waterproof and sweatproof, strong resistance Package Includes: 1 pair of headphones 1 * Charging cable 1 * Manual

Waterproof Wireless Earbuds Bluetooth 5.1 True Wireless Bluetooth Headphones