Product Name: Mini Wireless Speaker Computer Accessories Sound Box Loudspeaker Box Model NO.: WT-A3 Compatible Product: Universal Special Function: Memory Card Support, Radio, USB Disk Support Color: Red, White, Grey, Black SNR: 91-100dB Sound Channel: 2.1 Interface: ATAPI/EIDE Usage: Mobile Phone, Portable Player, Computer, Home Theatre System, Radio Speaker Material: Plastic Amplification Type: Active Type: Bluetooth Wireless Speaker Battery: 2000mAh Playing Time: about 10 Hours Bluetooth Version: V4.1 Package: 20PCS/ CTN FM Radio: Support Trademark: OEM/ODM Transport Package: Export Cartons Specification: 205*43*103mm Origin: Shenzhen HS Code: 85182900 Product Description Mini Wireless Speaker Computer Accessories Sound Box Loudspeaker BoxWeight: 695g Bluetooth Version: V4.1Battery Capacity:2000mA Charging time: about 4 hoursMaterial: ABS+metal Sound Channel: 2.0Speaker Size: 52mm*2 Speaker: 4Ω5W*2 External magnetic 32coreBass Diaphragm: 42*60mm*2 Frequency Response: 65Hz-20KHzDistortion Degree: ≤0.5% Signal Noise Ratio:≥75dBSensitivity:≥102dB Control Method: ButtonExtended Storage: TF Card, USB Disk Support Capacity: Within 32GSupport Format: MP3,WAV,APE,FLAC Power Supply: DC5V, Lithium Battery