Bose SoundLink around-ear wireless headphones II Black Deep, immersive sound, improved eq-best-in-class performance for wireless headphones. Connectivity Technology: Wired/Wireless Latest Bluetooth technology for easy connectivity and seamless audio/video syncs. Wireless range up to 9m (30 feet) Advanced microphone system, HD voice for clear calls in windy or noisy environments.Recharge Time 	3.0 Hours Up to 15 hours play time with rechargeable lithium-ion battery,Ear cushion:9.6 cm H x 7.4 cm W Switch between two Bluetooth devices so you can watch a video while staying connected to your smartphone.The NFC function in iPhone 6/6 Plus or 7/7 Plus only enables Apple pay functionality