• Bluetooth protocol: A2DP, AVRCP (can be connected with Bluetooth speakers or earphones that support A2DP protocol to form a wireless audio transmission network, used in TVs, CDs, home theaters and other devices; can also be connected with mobile phones/computers to play music)

• Output/input: optical input, optical output, AUX input, AUX output

• Transmitter mode support 1 to 2 function(a transmitter is connected to two Bluetooth speakers or earphones at the same time, and a CODEC is used at the same time)

• Receiver mode support 1 to 2 function(connect two mobile phones)

• Supported Bluetooth headsets, Bluetooth receivers, Bluetooth speakers and other device password: 0000

• CODEC TX: aptXTMHD, aptXTMLow Latency, aptXTM, SBC

• RX: aptXTMHD, aptXTMLow Latency, aptXTM, SBC

Launch mode operation:

• 1. After the Bluetooth adapter is powered on

• 2. Long press the power button for 3S

• 3. Press the M button to switch to TX mode, double-click the Bluetooth adapter A/B button to switch the pairing mode and turn on the headset/speaker Bluetooth pairing mode after successful connection

• 4. Double-click the A/B button again, then turn on the second earphone/speaker to the Bluetooth pairing mode to connect and pair

• 5. At this time, the Bluetooth adapter TX interface shows the number of connections as 2 indicating that both devices are successfully connected and support synchronous music playback

Receive mode operation:

• 1. After the Bluetooth adapter is powered on

• 2. Long press the power button for 3S

• 3. At this time, the Bluetooth of the Bluetooth adapter is disconnected, and then turn on the Bluetooth of the second mobile phone, double-click the A/B button of the Bluetooth adapter to switch to the pairing state. After the connection is successful, turn off the Bluetooth function of the second mobile phone again, and turn off the Bluetooth adapter at the same time

• 4. Turn on the Bluetooth function of the first and second mobile phones at the same time (just paired), and then turn on the Bluetooth adapter. At this time, the adapter will connect back and automatically pair with the Bluetooth of 2 mobile phones. The RX interface shows the number of connections as 2 to indicate the 2 mobile phones are successfully connected

Specification:

• Bluetooth version: V5.0

• Bluetooth chip: CSR8675

• Frequency range 2.402GHz-2.480GHz

• Receiver mode working time: unlimited time (plug and play)

• Transmitter mode working time: unlimited time (plug and play)

• Communication distance: RX: 120M, TX: 120M

• Bluetooth protocol: A2DP, AVRCP

• Codec: APTX HD, APTX LOW LATENCY, APTX, SBC

• Power supply mode: Type-C interface

• Size: 58*58*18mm