Details: Multifunctional product specifications: 1.Model : m10b 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: 3500mah 8. Transmission distance: &gt;10m 9. talk time: 4-5 hours 10. play time: 4-5h 11. Waterproof: IPX7 12.Headphone charging time: 1 hour 13. Charging time of charging box: 2h 14.Support system: all bluetooth devices and mobile phones; Subject: 1. 2000mah charging box can fully charge 2 headphones about 5 times, providing more 24 hours music time. 2. with water-proof dwarfproof technology, no need to worry about water and sweat more. 3.10mms dual drive unit, enjoy powerful bass music and deep 9d. 4. popular touch function supports switching songs, calls and voice assistants for calls. Products include: 1 * a pair of bluetooth earphones 1 * Cargo box 1 * Charging cable 1 * User manual

M10 True Wireless Bluetooth Earbuds with 1200mAh Charging Case