1. Bluetooth version: 5.3
2. Wireless distance: about 10m (no obstruction)
3. Battery capacity: earphone 30mAh, charging compartment 200mAh
4. Bluetooth program: Zhongke 5656C2
5. Charging port: Type-C
6. Use time: about 4-25H
7. Speaker: BZ F6Z
8. Waterproof performance: IPX5
9. Material: PC+ABS
10. Weight: about 41.7g

Features:
1. Bluetooth dual-core 5.3, more stable and faster connection, strong anti-interference ability, low power consumption
2. HiFi stereo sound, noise reduction without loss
3. Ergonomic design, wear senseless, stable and comfortable
4. Intelligent noise reduction design, bring a good and stable sleep
5. IPX5 waterproof, sports without fear
6. Sensorless low latency, faster and more stable performance, sound and picture synchronization, immersive
7. Compatible with cell phones, tablets, laptops, Bluetooth function can be connected to use
8. Fingertip touch, easy to operate, sensitive and not lagging