Model: KN321

Technologies: BT5.0, A2DP, AVRCP (receiver mode only)

Operating Range: Up to 10m / 33ft (without obstructions)

Charging Time: 2 hours

Working Time: RX: 6 hours ; TX: 5 hours

Battery Type: Li-Polymer (200mAh)

Dimensions: 44 × 44 × 12 mm

Features:

• Portable, lightweight wireless audio transmitter and receiver for various uses.
• Functions as a transmitter for wireless audio transmission from TV or stereo to Bluetooth devices.
• Functions as a receiver for wireless audio transmission from phone or computer to wired speakers.
• Easy switching between transmitter and receiver with the press of a switch.
• Dimensions just 44mm (1.73") with a weight of 18 grams (0.63 oz) for easy portability.

Power On: Press and hold the power button until the LED light turns on.

Power Off: Press and hold the power button until the LED light turns off.

Charging: Use a DC-5V charger and micro USB charging cable. The red light flashes during charging and the blue LED lights up when the battery is fully charged.

Mode Switching:

• RX: Receiving mode, indicator: blue LED.
• TX: Transmitting mode, indicator: red LED.

RX Mode: Connects with the pairing name KN321/KN319. The blue light flashes during the pairing process.

TX Mode: Automatically searches for other Bluetooth receiving devices. The red light flashes during pairing.

Package Includes:

• 1 Bluetooth 5.0 audio transmitter/receiver adapter
• 1 micro USB power cable
• 1 3.5 mm AUX audio cable
• 1 user manual