Baseman Foldable Wireless Bluetooth Headphones V4.2 Over-Ear Hi-Fi Stereo Earphones Headsets with Microphone and Wired Mode (Black)

Amazing Hi-Fi Stereo Sound Quality Noise relief technology allows you enjoy a clear and great sound quality. Hands-free calling Steady signal and built-in microphone allows you enjoy the convenience of wireless communication. Can freely control the switch of answer and hang up the phone Pause and play music, press next/before track, volume up + and down - Dual-use: wired and wireless Come with a extra audio cable. You can use it as a wireless headphone and wired headphone. With 3.5mm audio cable, you can still enjoy favorite music when the battery runs low. Long Battery Life Built-in battery access to quickly charge charging time: about 2 hours more than 7.5 hours music and calling talk time and 240 hours standby time. Light Weight, Easy to Carry Foldable design can be folded into small size, weight 165g makes it convenient to carry. Stretchable design can let you adjust a suitable size. Specifications: Bluetooth Version: Bluetooth V4.0 Drive unit: 40mm Meet Profile: iOS, Windows Phone, Android Phone Range: 10m distance Cable Length: 150cm Stand-by time: about 240 hours Working time: 7.5 hours-playing music; 10 hours-phone call Charging time: About 2 hours Bluetooth protocol: A2dp 1.2/AVRCP1.4/HSP1.2 Frequency Response: 100-10000Hz Sensitivity: 1033db Impedance: 32 Package included: 1 x Bluetooth headphone 1 x Audio cable 1 x Charge cable 1 x User manual NOTE: when connect your device with this headphones, please turn on the "power on/off" key at first, then press "PAIR" key about 6-7 seconds till the blue/red lights flashing alternately.