Highlight Truly wireless with BLUETOOTH® connection Size & Weight Approx. 7.3g x 2 (not including the arc supporters) 4GB of on-board storage General Features Closed Balanced Armature IP65/IP68 waterproof and dustproof Battery Approx. 2.5 Hours (Full charge ) ...

Specifications Size & Weight Weight Approx. 7.3g x 2 (not including the arc supporters) General Features Headphone Type Closed Balanced Armature Driver Unit Balanced Armature Frequency Response(Bluetooth® Communication) 20Hz - 20,000Hz (44.1...

Features Stream with BLUETOOTH® technology Connect manually with BLUETOOTH® technology, or at a touch with NFC™ on the case. 4GB of on-board storage There’s room for up to 920 songs with 4GB of internal storage. Waterproof even in the ocean The WF-SP900 headphones l...