Brand: Sensor Model: active buds s-250 color: Black why the Sensor active buds s-250 is the better choice in Bluetooth headphones? - true high definition sound enjoy stereo sound with high definition and unparalleled rock-solid bass with ultra crisp treble. - Bluetooth V4. 1 skip-free wireless up to 30 feet - IPX7 waterproof/ sweatproof protection - longer battery life – better battery efficiency with up to 8 hours of play. - stylish and ergonomic design cordless headphones - Passive noise cancellation - secure comfort fit - Control calls - hands free calling and easy controls for volume, skip, pause and play. - Compatible with all Bluetooth enabled devices connect with two smart phones at once. - Premium packaging and premium quality accessories - 1 year warranty/ 30 day hassle-free returns technical Specification: - Bluetooth Specification: 4. 1+Edr - IPX7 waterproof rating> - noise reduction: CVC6. 0 - transmission distance: 30ft - Battery: lithium-ion polymer 85mAh - Frequency response: 20 -22Khz - charging port: Micro USB - charging time: 1-2 hours - playback time: up to 8 hours - Standby time: 240H What's in the box: Bluetooth headphone carrying case short charging cable 3 sets of ear tips - small, medium, large 1 set of memory foam ear tips cable management clip user Manual bonus items: air vent Magnetic car mount cellphone Holder mobile phone wallet/ card Holder> buyers trust the Sensor Brand which is dedicated to the highest quality products and Fanatical customer support. Your Complete satisfaction is our primary objective. enjoy freedom of sound for an active lifestyle - Quantities may be limited - order now !