X3 5W Outdoor IPX7 Waterproof Wireless Bluetooth Speaker, Support Hands-free / USB / AUX / TF Card (Army Green) Type-ZTE Spare Parts automatic overwrite when recording is

automatic overwrite when recording is full

accurate sound pickup

High quality earphone jack board with microphone replacement for OPPO A57

fire-resistant

X3 5W Outdoor IPX7 Waterproof Wireless Bluetooth Speaker, Support Hands-free / USB / AUX / TF Card (Army Green) Type-ZTE Spare Parts automatic overwrite when recording is1. Bluetooth V5. 0, 20m effective transmission distance. 2. 5W power speaker, HiFi sound quality, heavy bass effect. 3. IPX7 waterproof, applicable for both indoor and outdoor. 4. Support U disk, AUX, TFcard, hands free. 5. 1200mAh built in lithium battery, 2 hours charging time, 4 hours music time Product parameters 1. Input voltage: DC5V 2. SNR: >85dB 3. Distortion rate: <1% 4. Response frequency: 75Hz 18KHz 5. Speaker: 52mm 6. Supported format: MP3