Specification:
1.Bluetooth specification：Bluetooth  4.1
2.Operation frequency：2.402-2.480GHz
3.Supported profile：A2DP、AVRCP
4.Chip solution：CSR BC8670
5.Operation range：UP to 10 meters
6.TX Working time：About 10 hours
7.RX Working time：About 9 hours
8.CODEC：APT-X(TX),SBC(TX);  SBC(RX)
9.Battery type：3.7V, 200mAh Lithium polymer Battery
10.Charge time：About 2 Hour
11.Overall dimensions：55*38*10.5mm
12.Net weight：About 17.2g

Transmitter mode (TX), turn a non-Bluetooth TV, PC, CD player, iPod, MP3 / MP4 into a Bluetooth transmitter while pairing with Bluetooth stereo.
Receiver mode (RX): Ideal for home or vehicle music streaming sound system.

What's in the package:
1 xBluetooth 4.1 Transmitter and Receiver
1 xBluetooth 4.1 2-in-1 Adapter
1 x 3.5mm Audio Cable
1 x USB Charging Cable
1 x User Guide
1 xPackage

Attention: aptX Low Latency does NOT support Dual Link mode.
If you are not 100% satisfy with the purchase for any reason, don't hesitate to contact us to request a refund or replacement

• 2-in-1 Bluetooth V4.1 transmitter can be paired with two Bluetooth receivers (like headphones + speakers) simultaneously.
• Bluetooth 4.1 2-in-1 Adapter continuously streams even while charging
• Built-in battery for up to 10 hours use - enjoy your favorite wireless content all the time
• aptX Low Latency for High-fidelity Stereo Sound, lag-free content streaming in transmitter mode
• Bluetooth Receiver: turn any speakers, headphones, stereo system to Bluetooth enabled

2-in-1 Bluetooth V4.1 transmitter can be paired with two Bluetooth receivers (like headphones + speakers) simultaneously.Koolee