Picun Bluetooth Headphones P2 On Ear Stereo Wireless Headset with HD Sound for iPhone 6 Samsung Galaxy S7 and Android Phones(Silver) Bluetooth Headphones -- Foldable & adjustable headband extremely comfortable over your ears and head Built-in HD microphone for Hands-free Calling or voice recording -- 350mah Polymer rechargeable battery enables up to 7-8hours of talk or audio playback, 16 Hours Music Playtime, standby time up to 30hours Quality HD Sound Bluetooth Stereo Headphones -- 2 Highly tuned 40mm drivers provide pitch perfect audio with a thumping bass and detailed high end Line-in Playing -- Connect your 3.5mm audio plug to the headphones and mobile or other audio device, bluetooth function closed immediately and use the audio cable to listen to the music Content and Warranty -- Come up withUSB Charging Cable, 3.5mm Audio Cable and User Manual. Top-notch Warranty of Honstek provides a 12-month worry-free and 1-month money back