Product Name: S11 TWS True Wireless Bluetooth Earphones
Smart touch control earphones;
Super long battery life, continuous play/talk about 5 hours, standby time 120 hours;
3500mAh battery charging box, emergency power bank for smartphone;
LED battery display.

S11 TWS True Wireless Bluetooth Earphones Features:
Bluetooth version: V5.0
Supporting protocols: A2DP, AVRCP, HFP, HSP
Frequency range: 2.402GHZ~2.480GHz ISM Band
Signal distance: >10 meters
Channel: stereo mono
Continuous play/talk time: about 5 hours
Standby time (with mobile phone standby): about 120 hours
Binaural talk: support
Headphone capacity: 3.7 V / 60 mAh
Battery capacity; 3500 MAH
Charging port: micro USB charging cable
Waterproof rating: IPX5
Noise reduction level: CVC8.0
Audio decoding method: SBC
Signal noise: > 75dB
Gross weight: 120g
Net weight: 86g
Distortion: <1%
Input voltage: DC5±0.25 V
Operating voltage: 3.7 V (3.3-4.2 V)
Charging time: less than 2 H
Microphone sensitivity: -42±3DB
Low battery alarm: 3.3 V
Speaker specifications: 32Q ± 15%
Working current: less than 25mA
Caller Voice Report: Support
Chinese and English voice switching: left ear / right ear Display Chinese voice prompt, double click the corresponding headset to convert back
Function: Short press the touch button to answer the call when you call, short press the touch button to hang up the call
Reject the call: When you call, press and hold the touch button for 1.5 seconds, then release it and reject it.
Pause/Play: Short press the touch button during playback to switch play/pause
Next song: Double-click the touch button during playback 
Previous song: Three-click touch button during playback
Start Voice Assistant (Siri Google assistant): Press and hold the touch button for 1.5 seconds during standby to release, start voice assistant (requires mobile phone support)

S11 TWS True Wireless Bluetooth Earphones Package Include:
2x Earphones
1x Charging Box
1x USB cable
4x Ear tips
1x Instruction Manual