The Hoco ES64 Ultra Sports Bluetooth Wireless Neckband Earphone is now available in Bangladesh. Main Feature: Connection Type: Bluetooth 5.3 chip: Jieli AC7003, Microphone: Yes Battery: 280mAh Duration Charging time: about 2 hours Use time: 50h Standby time: 350h Physical Specification: Weight : 0.23kgs Color: Black, Blue, Gray Green