promo hrg 39rb tidak ada mic Feature: 1. Restore true sound quality, metal composite diaphragm, effectively reduce sound distortion. 2. Adopt Bluetooth 4.2+EDR+BLE, 3 ms low delay, the speed of creation is 24mbps, support lossless music transmission. 3. Compatible with most of devices with bluetooth function. 4. U disc / TF card / AUX input playback, with USB / TF card dual decoding, plug the USB or memory card directly into the speaker to play. 5. Adopt metal mesh to provide protection, improve overall texture. 6. Built-in 1200mah high-performance lithium battery, sufficient energy supply. Specification: Item type: Speaker Condition: 100% brand new Material: ABS