Bluetooth version: CSR8635 CSR4.1, Talk Time: 8 hours, Play Time: 6
hours, Charging Time: 1,5hours, Support one connect two devices,
reject coming call function
"Bluetooth Version: V5.1 Jieli AD6973D4, Talk time: 10h, Play music
time: 9h, Earbuds Play for 30h at 80% Volume with Charging Case,
Charging time: 1.5h, Charging with headphones case, Frequency
range: 2.402G-2.480G, Transmission distance:10m, Waterproof Rate:
IPX6
