Features:
1. The Perfect Gift Suitable for any Occasion
You can use it no matter in training, driving, walking, watching DVD, teleconferencing, etc.
2. Comfortable Fit Design
The ergonomic design of the Wireless Headphones can fit your ears comfortably and keep into place to prevent falling.
3. Lightweight & Mini Size
Weighing only 4.3g, this mini in-ear headphones have high comfort even if worn for a long time. There are S / M ear tips available for your favorable sizes.
4. IPX5 Sweat-proof and Rainproof
It is suitable for cycling, yoga, walking, running, fitness and the like.
5. Wide Compatibility
Work well with any smartphones, tablet, MP3, MP4, PC, TV and other Bluetooth enabled devices within 33 ft.

Parameters and functions:
Type: TI8S
Bluetooth version: 5.0+EDR(Transmission faster than bluetooth v4.2)
Music time: about 3-4 hours
Using time: about 4-7 hours(according to your actual using way)
Headphone battery capacity: 50mAh
Compatible for:99% bluetooth devices
Sensitivity: 120±5dB
Frequency Response Range: 20-20000Hz
Resistance: 32Ω
Vocalism Principle: Dynamic

Package included:
1 * TWS Bluetooth Headset
3 * Pairs of Ear Tips
1 * Charging Cable
1 * User's Manual