BFU (Best For You) - Hong Kong High Quality Waterproof Stereo Bluetooth Headset Brand (compatible with all bluetooth cell phones) with LIFETIME WARRANTY Hong Kong Polytechnic University Graduate Scientific Research World First Products: 1. BFU-Wavetooth - swimming level (IPX8) waterproof stereo bluetooth headset (BFU-Z Core) 2. BFU-Z - rain-wind-dust-resist waterproof stereo bluetooth headset (Both compatible with all bluetooth cell phones) Specifications: Lifetime Warranty 13 hrs (Guarantee) talk/music play time Changeable 3.5mm headset Closed unit case: no problem for exercising sweat, raining, beach, swimming pool, bath, spa, kitchen, hiking, cycling, fishing, worksite, container terminal. Wash and clean it in water if made dirty! Changeable DIY Cover to any pictures/photos you like Anti-noise High Sound Quality BFU-Z included High Quality Japan stereo earphone. BFU-Wavetooth included that plus waterproof single earphone + waterproof bag for cell phones Able to connect to two bluetooth devices (one for handfree, one for music) Suitable for PS3, computer, etc other than mobile phones 360mAh High Capacity lithium battery Support: A2DP/AVRCP/HS/HF Version: V2.1 + EDR