oobest Active Noise Cancelling Headphones Wireless In Ear Earbuds-HD Stereo Sweatproof Sports Magnetic Earphones Bluetooth Headset with Microphone

Description

Size Name:black headset  |  Colour Name:red case Specification：1. Bluetooth version: V4.12. Bluetooth distance: 10 meters3. Frequency range: 2.4GHz-2.48GHz4. Operating distance: Up to 10m (free space)5. Bluetooth profiles: A2DP, AVRCP, HSP, HFP6. Standby time: Up to 50hrs7. Working Voltage: DC5V/130MA8. Charging: cable included (no adaptor)9. Battery: Built in lithium polymer battery10.Talk/music playtime: Approximately 2-4 hours11. Charging time: Approximately 1-2 hours12. Frequency response: 20Hz-20kHzPackage Including1 x Headphone Storage Bag1 x Headphone2 x earhook1 x Instruction