Features: Sound card microphone, small in size design, baked paint craftsmanship, exquisited workmanship. Equipped with 10W double speakers and DSP sound field processing, immersived sound. Build in 32mm dynamic microphone coil, low distortions, and full tone. Equipped with bluetooth-compatible 4.2 chip, intelligent noise cancellation, fast connection, stable signal, and fast response. Build in equaliser, coordinating low and high sound, multiple sound effects processing, real-time monitoring of ear feedback. Build in large capacity battery with long battery service life. Specifications: Material: ABS+Electronics Color: refer to picture to selection please Size: about 245x50mm/9.64x1.96inch Product model: K1 Product Name: Sound Card Speakers Microphone Connection method: Bluetooth-compatible/AUX connection Output power: 4Ω 5Wx2 Speakers unit: 40mm internal magnetic speakers unit Frequency: 30Hz-20KHz Bluetooth-compatible version: BLE4.2 Sound performances: 115db lKhd<l% Distortions:<1% -2% Receiving distance: 10M Charging voltages: 5V1A Battery capacity: 2600mAh Charging time: about 4 hours Usage time: 4-6 hours Package Includes: 1pc Handheld Microphone note: Please allow 1-2cm errors due to manual measurement. Please allow for slight color differences due to different display resolution.