BTH-S8 Sports Style Magnetic Wireless Bluetooth In-Ear Headphones, For iPhone, Galaxy, Huawei, Xiaomi, LG, HTC and Other Smart Phones, Working Distance: 10m(Red) Filter-Variable ND Filter 0 can meet the needs

0 can meet the needs of multi-port expansion

and more enjoyable network

Material: aviation-grade aluminum alloy

more convenient for expansion and installation

BTH-S8 Sports Style Magnetic Wireless Bluetooth In-Ear Headphones, For iPhone, Galaxy, Huawei, Xiaomi, LG, HTC and Other Smart Phones, Working Distance: 10m(Red) Filter-Variable ND Filter 0 can meet the needs1. Bluetooth 4. 1 version, 10m effective transmission distance. 2. Support hands free, voice report calling number, vibration alert function. 3. Stereo audio transmission protocol A2DP V1. 2. 4. Light and portable, fits your ears well, makes your sports more relaxed. Specification: General Model BTH S8 Types Earphone (In Ear) Bluetooth Version V4. 1 Protocol A2DP1. 2 Speaker Power 30mV*2 Transmission Distance 10m SNR >=80dB Rated Input Power 3W*2