Features:
1. Using Bluetooth 5.3 chip, high-speed transmission, low power consumption, stable signal without interference.
2. 52mm unit speaker, advanced audio decoding, clear and loud sound.
3. IPX7 waterproof technology, exquisite workmanship, no need to worry about outdoor rainy days.
4. TWS interconnection, the mobile phone can be connected to two speakers at the same time to experience three-dimensional surround sound.
5. Mini portable body design, exquisite lanyard, easy to carry.
6. Five major playback modes, supporting Bluetooth, TF card, TWS interconnection, FM radio, and AUX playback, meeting various playback needs anytime and anywhere.
7. Built-in 500mAh large battery, once fully charged, you can listen to music for 3-5 hours.

Parameters:
1. Bluetooth version: 5.3
2. Wireless transmission range: 10m
3. Audio noise ratio: 90db
4. Battery: 500mAh/3.7V
5. Charging voltage: DC 5V/500mAh
6. Playback time at normal volume: about 1 hour
7. Speaker specifications: OD 52mm x 1
8. Speaker power: 4 ohm/5W x 1
9. Frequency response: 120hz-20khz
10. Dimensions: 90.3mm x 90.3mm x 53.5mm
11. Weight: 218g

Packaging list:
- Speaker x 1
- USB charging cable x 1
- User manual x 1