Feature: Brand New. 100% brand new and high quality. Let ordinary speakers instantly become wireless Bluetooth stereo audio music speakers You could enjoy it in car when you are driving， at home when you do housework or anywhere any time Can be paired to any bluetooth enabled devices， such as mobile phone， laptops， speaker and Bluetooth audio transmitter Hands-free wireless audio receiver for music and phone call Easy to pair and play Can be onnected with two mobile phonesSpecification: Version: Bluetooth CSR 4.0 Receive distance: max ~15m Bluetooth stereo audio profile: A2DP Battery:110mAh Stand by time:200 Hours (automatic power off funtion) Time of play music: 8 hours Power supply: get charged via Micro-5P USB cable Audio adapter: 3.5mm Material: ABS(UV oil painting)Package Content: 1pc Bluetooth audio receiver 1pc USB charging cable 1pc 3.5mm Audio cable(Male to Male) 1pc 3.5mm Male to Male metal audio adapter 1pc User Manual