Mp3 Players | Wireless Bluetooth Headphones Sport Headphones Neckband Magnetic Headset Handfree Earbuds With Mic Air Buds Red

Description

1.Color: Black,White,Red2.Bluetooth version: Bluetooth CSR4.23.Job scope: > 10 meters (disabled)4.Standby time: > 180 hours5.Life time: > 4~6 hours6.Charging time: About 1-2 hours7.Support agreement: A2DP, AVRCP, HSP, HFP8.Frequency response: 20 hz – 20 KHZ