Brand HAVIT Model HV-SK898BT Quantity 1 Color White Bluetooth Version V3.0 Operating Range 10 meter Compatibility V2.1 Microphone Yes Channels 2 Total Power 3W x 2 (RMS) Radio FM Radio Supports Music Format MP3 Power Supply Built-in lithium battery: 3.7V 1000mA or mini USB charging Built-in Battery Capacity 1000mAh Compatible With Smartphone tablet PC and cell phone. Other Features Charging time: about 2~3 hours; Back-up time: 4 hours for talking 4~5 hours for music playing; Standby time (no use condition): 24 hours; Body material: PC + ABS; Support: HSP1.1 HFP1.5 A2DP1.2 and AVRCP1.0 profiles; Built-in lithium battery: 3.7V 1000mAh; Power rating: Max. 350mA; Maximum output power: 3W x 2 (RMS) speaker: 4E; Frequency response 150~180KHz; Support music format: MP3; Support FM radio range 87.0~108.0 MHz; Support playing while charging; Support micro SD card up to 16GB; Advanced built-in Microphone with D.S.P. solution for echo; Connectible with smartphone / PC / cell phone BQB Certification No Certification FCC / CE Packing List 1 x Speaker 1 x USB charging cable (75cm) 1 x Line-in cable (75cm) 1 x English user manual