Portable Wireless Stereo Wearable Neck Hanging Bluetooth Speaker Sports Music Mp3 Player Subwoofer Bass _Color Black_

Product parameters: Bluetooth standard: 4.1+ESR Bluetooth receiving range: 10M Speaker model: 4?3W (internal magnet) Microphone specification: ?4.0*1.5mm Music format support: MP3 WAV WMA DC (Micro USB) input: 5V - 1A FM frequency range: 87.5-108MHZ Frequency range: SINWAVE 3.46V Sensitivity: 82±3dB Distortion rate: 5% MAX (RATED POWER INPUT 0.9KHz) Charging time: smart (red light off at full charge) about 3 hours Play time: 1 to 4 hours of normal play without DJ volume maximum, full DJ play 80 minutes volume maximum sound Battery model: 102540 (polymer) Battery capacity: 1100 MA (polymer) Built-in single speaker / built-in dual speaker: double Shell material: TPU (two-color mode) Solution model: Jerry Whether to support TF card: support Single machine net weight: about 350g Color: Black | Grey | Red | Blue Note: Please allow 1-3cm (0.4-1.18") difference due to manual measurement and slight color variation for different display setting Packing Includes: 1 x neck-mounted speaker 1 x USB charging cable 1 x AUX audio cable 1 x Instruction