Product Name: Wireless Portable Bluetooth Speaker LED Light Box with Power Bank Model NO.: S-005 Compatible Product: Universal Display Type: Without Display SNR: 81-90dB Chargeable: Chargeable Special Function: Memory Card Support, USB Disk Support Sound Channel: Single Channel Usage: Portable Player, Mobile Phone, Computer, Home Theatre System, Radio, TV, Karaoke Speaker Material: Plastic Amplification Type: Active Type: Bluetooth Speaker Trademark: HUACATEN Transport Package: Box Origin: Putian HS Code: 8518210000 Product Description [technical parameters]Speaker type: portable Bluetooth speakersAdjustment mode: key pressFeatures: Bluetooth audio input, Bluetooth hands-free call, LINE IN, TF card.Power supply mode: DC 5V, lithium battery (300mAh)Effective power: 3WLoudspeaker unit: 45MMSignal-to-noise ratio: > 80DBDistortion rate: < 0.5%@ (1KHz)Frequency: 90Hz-20KHzAudio interface: 3.5MMImpedance: 4 ohmsPlay time: 1HoursSpeaker size:: 60mm, H:65mmSpeaker weight: 200GBluetooth version: Bluetooth2.1Working frequency: 2402-2480MHzTransmission range: up to 10 meters, data is obtained in open and uncovered area measurement.Walls and buildings may have an impact on signal transmission.Material: ABS