Specification:
Technical:
1. Bluetooth V3.0+IS1681，
2. Power supply: 5V USB
3. It can change common speaker to Bluetooth speakers
4. It is suitable to all kinds of non Bluetooth electronic product(not only mini speaker， but also other electronic product)， which has 3.5mm AUX/LINE IN slot. It can change the non Bluetooth electronic products to Bluetooth ones. So it is suitable to all kinds of non Bluetooth speakers from difference factories.
5. Color: Blue， Grey， Black， white
6. Size: 70x23x13.4MM

LED indicator:
1. Led keeps red when charging in off state and light off after full charging
2. Led keeps alternately flashing red and blue in on state and keeps blue after connected with Bluetooth
3. Led becomes red when power is low

Operation Guide:
1: Long time press button to turn on the Bluetooth audio receiver
2: Bluetooth audio receiver connects directly to speaker’s line-In or Aux interface and switch to line in mode
3: open the Bluetooth-enabled mobile phone， computer etc， and search the bluetooth devices to find a device called ”TT-027” ， if need password， enter “0000”，
4: after the pairing is successful， the speaker will have beep sound and then you could choose the music from phone or computer to play and enjoy
When phone is coming， press the button of TT-027 to answer calls

Package:
1x Bluetooth audio receiver
1x USB cable
1x Gift Blist card