i7s tws Headphones Bluetooth 5.0 Earphones Wireless Headsets Stereo Bass Earbuds In-ear Sport Waterproof Headphone

Characteristics:

1. hear the song correct, support songs and call,
2. remember phone number, the last call back, all intelligent Chinese and English voice calls, boat, couple, shut down the phone power will be low voice calls;
3. Power capacity will show on your iPhone, you can see the power situation at any time, no worry about the electricity, make your life worry free;
4. One to two connections, can be connected to two cell phones at the same time
5. Bluetooth headset connected to the cellphone after shutdown, and then open the Bluetooth headset will connect back to the phone automatically, more convenient;
6. Smart compatibility: support all Bluetooth cellphone, tablet, notebook, sing it, QQ music, movies, etc., universal all cellphone

Specification:

• 1st driver: 15mm
• impedance: 32 OHM
• Bluetooth version: Bluetooth v5.0 + EDR
• Use Bluetooth band: 2.4 GHz
• Power level: CLASS II
• Output power: 60mw
• Bluetooth distance: 10 meter barrier
• Frequency response: 20-20000Hz
• Operating voltage range: 3.0V-4.2V
• Mic sensitivity: -42dB
• With A2DP / AVRCP high quality stereo audio transmission and remote control protocol
• Powerful noise de-noising circuit (active noise reduction)
• Switch between Chinese and English (boat does not connect Bluetooth state, press the switch 2 times, the sound hear switch successfully)
• Talking time is about 2-3 hours
• Music time over 1.5-2 hours
• Standby time is over 100 hours

Package contains:

• 2 x i7s tws Bluetooth headphones (left and right earphones)
• 1 x charging box
• 1 x USB charging cable
• 1 x user manual