433906 Weight: 14g Dimensions: 1.57in x 2.17in x 0.79in(4.5cm x 5cm x 2cm) Brand: N/A Model: HK008 Quantity: 1 Color: Black Specification: Battery capacity: 100mAh S/N Ratio:>75dB Standby current: <5uA Working current: <30mA Main Feature: Supports Bluetooth V3.0+EDR and Bluetooth 2.1， Bluetooth 2.0，1.2，and 11 backward compatibility. Frequency range 2402MHz-2480MHz. Support AVRCP 1.0， A2DP 1.0， Hands-Free Profile 1.5， Headset Profile V1.1. Operating range 10m-20m(depending on environment) 75dB SNR DAC playback 3.5mm audio out Can answer calls Super low power charge standby LED indicator Micro USB charging Built-in high capacity li-Polymer battery Packing List: 1 x Bluetooth Receiver 1 x User manual 1 x Micro USB charging cable(0.8m)