S650 Second GenerationMini Invisible Bluetooth Earphone with Microphone (Black) 14MarTag-SATREND the connection is poor

the connection is poor

40HQ: 1327 cartons * 1000 pcs = 1327000 pcs

Qty per Carton 462

with a unique intelligent power-saving features

S650 Second GenerationMini Invisible Bluetooth Earphone with Microphone (Black) 14MarTag-SATREND the connection is poorfeatures: Mini in ear wireless invisible design; Super Mini Size and hidden in the ear, no wearing burden; Ergonomic earphone design, stable in the ear, good for driving, sports, business, or leisure; Bluetooth V4. 1 + EDR wireless signal with 10 meter range (no obstacles); Deep DPS noise reduction microphone ensures clear call quality; Voice prompt for pairing, calling, turn on off; One function button for on off, song switch, language change,