Acatim QY9 V4.1 Bluetooth Mini Lightweight Neckband In-Ear Wireless Sport Stereo Universal Bluetooth Headphone Headset Earbuds With Microphone For Smartphone (Red)

Technical specification: Bluetooth Specification: 4.1+EDR Bluetooth Chips:CSR8645 Bluetooth Profile: HFP1.6，HSP1.2，AVRCP1.4，A2DP1.2 Supports APT-x feature (HiFi stereo) RF Range: 10m Noise reduction: CVC6.0 Supports IPHONE battery display Stand-by time: about 175 hours Calculating Read more...