Electric guitar, bass, electric blowpipe, electric violin, electric drum, electric guzheng and other electroacoustic instruments Just plug the transmitter into an electric guitar/electric blowpipe/electronic keyboard and other electroacoustic instruments, and the receiver into a playback device such as a speaker. and Made of material, durable and practical to use Easy to install, can directly replace old or old products Receiver Carrier Frequency Band: 2.2-2.48GHz Modulation Method: GFSK Carrier Stability: Parts per Million Receiver Sensitivity: -93dBm SNR: less than equal 80dB THD+N: Less than 0.1% Frequency Response: 40Hz-18kHz Operating Distance:Greater than 60 meters Latency: Less than 10ms Battery Power: 3.0V-4.3V Bluetooth Standard: Dual-mode Bluetooth V5.3, supports Bluetooth BR, EDR, and BLE (BP15 Series supports: BP15 Series) Controller Subsystem (QDID:186964) and Host Subsystem (QDID:180349) Transmitter Transmit Power: Less than 8dBm Current Consumption: Less than 50mA Color:Black Material:ABS Package Contents: 1 x receiver 1 x transmitter Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.