Properties: 
1. Listen to the right song, record songs and phone calls,
2. Remind the phone number, the last call, all the Chinese and English smart voice messages, boat, couple, turn on the phone power send a low voice message;
3. The power capacity will be displayed on your Iphone, you can see the energy status at any time, do not worry about the performance, let your life worry-free;
5. After the Bluetooth headset is turned off, connect to the mobile phone, connect the Bluetooth headset and then automatically to the mobile phone, which is more convenient;
6. Smart compatibility: Compatible with all phones, including Bluetooth, tablets, notebooks, sing, QQ music, movies, etc., Universal cell phone

Specification:
1 stick: 15mm
2. Impedance: 32 ohms
3 Bluetooth version: Bluetooth v5.0 + EDR
5. Power level: Stage II
6. Output power: 30 MW
7. Bluetooth distance: 10 m barrier
8. Frequency response: 20Hz 20000
9 working voltage range: 3.0V-4.2V.
10. Microphone sensitivity: -42dB
11 with A2DP / AVRCP high quality stereo audio transmission and remote control protocol
12 powerful noise canceling circuit (active noise reduction)
13 speaking time is about 2-3 hours
14 music time is about 2-3 hours

This package includes:
2 Bluetooth mini headphones (left and right headphones)
1 loading box
1 USB charging cable
1 x user manual