Btuty FW-24G Guitar Wireless System Rechargeable Guitar Pickup Transmitter and Receiver Set 2.4G ISM Frequency Pick Up for Electric Guitar Acoustic Guitar Bass These are transmitter and receiver for bass, electric guitar, acoustic guitar, electronic wind instrument. The system handles 2.4 GHz ISM, steadily transmitting, the effected distance is 30 meters, automatically frequency hopping, high anti-interference, without any delay, plug and play. Features: Long-distance Transmission: 20Hz-20kHz frequency response range and 2.4GHz ISM worldwide frequency, the maximum transmission distance can reach 30 meters, no signal loss and no delay. Simple e: with power indicator, pairing indicator, charging indicator, strong anti-interference, no delay. Wide Degrees Rotatable 6.35mm Plug: widely apply to all audio equipment with 6.35mm jack. Rechargeable Lithium Battery: built-in 600mAh rechargeable lithium battery, long working time, and equipped with a cable for easy charging. Convenient to Carry: plug and play, easy e, small size and stable signal transmission, light weight, easy to carry. Applicable Objects: wireless transmitter and receiver are suitable for bass, electric guitar, acoustic guitar, electronic wind instrument. Specifications: Material: ABS Sample Rate and Accuracy: 48kHz / 16bit Distance: 30m Delay: <5ms Frequency Response Range: 20Hz-20kHz Distortion: ≤0.02% Channel: 18 Frequency: 2.4GHz ISM worldwide Battery: 3.7V / 600mAh rechargeable lithium battery Charging Interface: Type-C Joint: 6.5mm Host Thickness: 1.5cm / 0.59in Item Size (Expanded): 110 * 42mm / 4.33 * 1.65in (L*W) Item Size (Unexpanded): 65 * 42 * 28.5mm / 2.56 * 1.65 * 1.12in (L*W*H) Item Weight: 42g / 1.49oz (Single Transmitter / Receiver) Package Weight: 177g / 6.25oz Package Size: 16.5 * 11 * 4.5cm / 6.50 * 4.33 * 1.77in Package List: 1 * Transmitter 1 * Receiver 1 * Charging Cable 1 * Instructions (Chinese & English) Note: 1. Please keep it in dry condition. 2. If you don' t use this wireless system in a long time, please do not keep turning on the power, please use the charger which it s not more than 5V and 500mA. 3. Due to manual measurement, the size may be slightly different. Thank you for your understanding. 4. Due to different light conditions and different monitors, item color displayed in photos may be showing slightly different from real object.