Come and see our amazing products. Wireless headphones for ponytailbeanie is built in rechargeable Li-Ion battery, about 10-12 hours talking/playing time, 1.5-2 hours charging time, 100 hours standby, so users have less time charging and more time enjoying listening to music and making phone call. Pls confirm with us about the packing info, stock color and exact production time before placing your order.