EH0248W Features Intelligent integrated multi-device access unit Supports 32KHz 16bit mono or 32KHz 16bit dual-channel audios Supports multiple 2.4GHz wireless audio devices to access simultaneously Supports multiple 2.4GHz 3D glasses to access simultaneously Supports to access home service terminal equipment such as monitors， gate intercom， wireless smart metering， credit card payment ，etc. Smart standby to save energy Supports auto switch for mouse and sliding screen， handwritten and virtual buttons input Comes with set-top box learning function Combines functions of infrared remote control， sensor mouse， microphone， speaker and somatosensory games Six-axis positioning for precise operation and 360 degree Omni-directional sensor General Specs Brand & Model KW898W Type Wireless air mouse Frequency 2.4GHz Package Details Weight: 99.51 g Size: 13.2*6.3*3.00 cm Package Includes * KW898W Wireless Air Flying Mouse