Earphone Wireless Binaural Semi-in-ear $ 19.26 Product information Transmission range: 20 meters Function: call function, support music Bluetooth protocol: 1.2 Channel: 2 Usage: In-ear Single or dual ear: Bilateral stereo Applicable gift-giving occasions: advertising promotion Color: Dark night black (HIFI sound quality + battery digital display + long battery life), ivory white (HIFI sound quality + battery digital display + long battery life) Mold type: private mold Chip type: other Life time: 10 (hours) Packing list Bluetooth headset x1
