I8x TWS Wireless Bluetooth Earphones Stereo Earbuds Air Sport Headset Headphones with Mic Charging Box Feature: 1. Listen to the song correctly, support the song and the conversation. 2. Remind the phone number, last phone nember call back, all intelligent Chinese and English voice prompts, boot, pairing, shutdown, the phone will be bass prompt. 3. The power supply capacity will be displayed on your for iPhone, and you can see the power supply status at any time. Don't worry about the power consumption. 4. One to two connections, you can connect two mobile phones at the same time. 5. Connect the Bluetooth headset to the mobile phone after switching off, and then turn on the Bluetooth headset to automatically connect back to the mobile phone, which is more convenient. 6. Intelligent compatibility: support all Bluetooth phones, tablets, notebooks, singing, music, movies, all mobile phones. Specification: Driver: 15mm Impedance: 32 ohms Bluetooth Version: Bluetooth v4.2 + EDR Bluetooth Usage Band: 2.4 GHz Power Level: CLASS II Output power: 30 mW Bluetooth Distance: 10m Barrier Frequency response: 20-20000Hz Working voltage range: 3.0V-4.2V Microphone sensitivity: - 42dB High Quality Stereo Audio Transmission and Remote Control Protocol with A2DP/AVRCP Strong Noise Reduction Circuit (Active Noise Reduction) Switch between Chinese and English (turn on without connecting Bluetooth, press the switch twice, and hearing the tone means the switch is successful) Call time: about 4-5 hours Music time: about 2-3 hours Standby time: about 100 hours Packaging size: 100mm*100mm*33mm/3.93*3.93*1.29'' Packaging weight: 148g Note: Please allow 1-3mm differs due to manual measurement. Due to the different display and different light, the picture may not show the actual color of t
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