Key features

• •[Bluetooth 5.1] Adopting Bluetooth 5.1 chip, the transmission of headset is faster, more efficient and stable. You can move freely with up to a 59 ft (18 m) range. K21 bluetooth Headset features multipoint technology, enjoy the convenience of having up to two devices connected at once.
• •[CVC8.0 Dual Mic Noise Cancelling] Conambo K21 bluetooth headset features dual mic CVC8.0 and ENC noise cancelling technology, knock out 96% noise and deliver clear voice. Enjoy clear calls.
• •[Echo Cancelling & Clear Voice] Conambo Bluetooth headset K21 adopts Echo Cancelling and Consistent Voice Quality technology for clearer calls. Consistent Voice Quality technology conceals Packet-loss and bit error effectively to ensure consistent voice quality even in situations where bluetooth connectivity may be compromised. Hope you enjoy consistent clear call.
• •[Comfort-Test Design] Rigorously tested for stability and comfort on a wide range of ear shapes, you'll feel just as comfortable during your first call as your last call. 9 pieces different sizes ear tips to meet your need. Only 0.04lbs / 20g, sleek and pocket-size, earpiece is perfect for on-the-go communication.
• •[Long Battery Life] Equipped with a 110mAh battery, you could talk freely throughout the day. With up to 12 -16 hours of continuous talking on a 1.5 hours single charge. Headset works with iPhone, Android, cellphones.