TWS 4 BT Earphones BT 5.0 Wireless In-ear Headset Wireless Handsfree Headphone Touch Control Sports Mini Earbuds Gaming Headset For Xiaomi HUAWEI iPhone.

Features
Smarter and faster automatic BT wireless connection
HiFi quality sound, new noise reduction technology
Sensitive touch control, easy operation
With microphone, support binaural call
Daily water-resistant and sweatproof, free music playtime
Ergonomic design, soft silicone earplugs, comfortable to wear

Specifications:
Color: Black, white
Supported protocols: A2DP / HFP / HSP / AVRC
Product size: about 23 x 12 x 26mm
Storage and charging box size: about 92 x 40 x 31mm
BT version: V5.0
Voice prompt: support
Operating range: 10 meters (Obstacle Free)
Battery capacity: 50mAh polymer lithium battery
Charging box battery: 300mAh
Sound unit: 8mm moving coil speaker
Speaker impedance: 32 ohms
Speaker sensitivity: 105db
Speaker frequency: 20Hz- 20KHz
Microphone sensitivity: -42± 2db
BT frequency: 2.4- 2.48GHz
Music Playtime: about 3-4 hours
Talk time: 4 hours (actual measurement)
Standby time: 80 hours
Package Size: Approx.10*10*4cm
Package Weight: Approx.100g

Package List:
1 * Pair of Wireless Binaural Headsets
1 * Storage and Charging Box
1 * Charging Cable
2 * Pairs of Ear Tips (of different sizes)
2 * Ear Hooks
1 * User Manual