1. Small earbuds: the earbuds design in mini size, no handle parts, semi in-ear design, it allow you to wear it for daily use such as walking on the street, listening to music/audioboook/Podcasts, etc., it is very comfortable to wear for a long time
2. Call noise reduction/Premium HD Sound: High quality 5.3 bluetooth chipset delivers high-speed and stable connection, the self-developed membrane dynamic drivers deliver music with an incredible sound, enough bass, crisp and clear Hi's and Mid's.interference.
3. With IPX7 technology built in, XBOSS PRO 4S+  wireless earphones are strong enough to resist all the penetration from splash, sweater and Light rain. No worry for any outdoor activity.
4. One touch control Unlike other in-ear buds where you have to apply pressure to a button to control it, you just need to tap your finger to the this earbuds,You can pause the music, take a phone call, reject a phone call, or track the music without needing to get to your phone. It's very convenient.
5. 21Hours Battery life: Get up to 5-6 hour continuous music playing on a single full charge. The portable charging case provides an extra 2 full recharges to keep you powered on long round trip.
Attention!!! To prevent accidental touches, the touch function is activated 20 seconds after the headphones are turned on.

Model: Pro 4s+
Bluetooth version: 5.3
Bluetooth effective range: 10m
Micraphone: It connects and uses phone micraphone when calling and sound is very clear.
Battery capacity: 30mah(headset)/300mah(charging case)
Music playing time: (50% volume) 5-6h(one charge)/20h(with charging case)
Charging time: 30min(headset)/110min(with charging case)
The battery capacity, music playing time and charging time are measured by standart charger under laboratory room temperature 25c. The actual date may vary due to the use environment and individual differences of charger and other factors.