Product Name: Machine Crab Audio Product model: MY301 Material: ABS Style, color: gray+blue/grey+orange Product size: folded size: 140*138*90.3mm expanded size: 161.9*156.6*144.9mm Color box size: 191mm*181mm*114mm Single net weight/gross weight: 537g/931g Packing list: instructions, puzzle, data cable, certificate Place of Origin: Shenzhen Product parameters Implementation standard: GB 4943. 1-2022 Certificate Type: Quality Inspection Input: 5V2A Battery capacity: 2500mAh Power: about 10W Battery type: 18650 lithium-ion battery Bluetooth version: V5.0 Charging time: about 2 hours and 10 minutes Transmission distance: about 10m for a single unit, about 6m for a network of two units Usage time: about 3-8 hours Audio technology: professional DSP digital audio processing Interface type: TYPE-C Frequency response range: 20Hz-20KHz Control method: body buttons Signal-to-noise ratio: >85dB Speaker specifications: 57mm diameter full-range speaker + metal bass diaphragm Distortion: