KAKU T-BA Wireless Bluetooth 4.2 Mobile Speaker Micro SD / Aux / USB / Black

Specification: Bluetooth version: 4.2 + EDR Supported protocols: A2DP, AVRCP, HFP, HSP Battery capacity: 1500 mAh Charging time: 1-2 hours Music playing time: 4 hours Talk time: 5 hours MicroSD slot: yes USB input: no AUX input: yes Microphone: yes Dimensions: 13 cm x 13 cm x 5.7 cm Weight: 300 g