Bluetooth: Yes Je kun color paben Application: Gaming,Running,Sport Charging Time.: 2h Driver unit: 40mm Frequency response: 50~20000Hz Impedance: 32ohms High QualityBluetooth High-Speed Connected, Answering Incoming Calls, Handsfree Talking, Superior Compatibility, High Fidelity Stereo Surround Sound Foldable Portable DesignThis foldable portable design makes it easy to take along on that next vacation or business trip or to store in your desk drawer for use at work, Adjustable HeadbandThe headphones offer not only sleek style with a slim profile but also an adjustable contoured headband, it allows you to get a great position on your head. Easy to controls your headphonesCan freely control the switch of the previous song and next song, pausing a song, answering calls, ending calls, refusing the incoming call, dialing the last number, volume control Works with or without Bluetooth capabilityNot only wireless, also can be used as wired headphone (Provides a simple 3.5mm wired connection of a variety of devices) In Ear Earphone for Android - White For Vivo: Brand: REMAX Model: RM-512 Features: HD Microphone / Compatibility / Volume Control Material: TPE Impedance: 32Ω Frequency: 20-20k Hz HBQ I7S Double Dual Mini Wireless 4.1 Bluetooth Earphone With Power Case: Drive: 15mm No Cable Sent Impedance: 32 OHM Bluetooth version: Bluetooth v4.1+ED Bluetooth frequency: 2.4GHz Power level: CLASS II, output power: 30mW Bluetooth Distance: obstacle free 10 meter Frequency response: 20-20000Hz Working voltage range: 3.0V-4.2V Specifications of BrandNo BrandSKU420321724_BD-2058261814