Bluetooth 2.1 Stereo Transmitter for iPhone, Samsung, HTC, Sony, Google, Huawei, Xiaomi and other Smartphones, Function Range: 10meters (Black)

1) Compact size. 2) Enable your speaker with Bluetooth function. 3) Plug and play, no need installation. 4) Works with the speaker which has 3.5mm line-in jack and play music from Bluetooth A2DP enabled mobile phone and other Bluetooth A2DP audio devices. Specification: 1) Bluetooth V2.1+EDR 2) Bluetooth profiles: A2DP, AVRCP 3) Range: 10 meters 4) Rechargeable 80mAh Li-polymer battery 5) Frequency response: 2.4GHz-2.4835GHz 6) Receiving sensitivity: -74±4dB 7) Charging input voltage: DC 5V 8) Up to 12 hours working time 9) About 2.0 hours charging time