Bluetooth Neckband

Playback Time: 4-5 Hours  Material: High Quality ABS+PVC Application: Sports Earphone  Operating Distance: 5-10 Meter

Bluetooth Version: 5.0 Software Support:  Advance Audio Distribution Profile (A2DP) Audio/Video Remote Control Profile (AVRCP) Hand Free Protocol (HFP)  Operation Rang: Up to 10 Meters (33 Feet) Play Time: Approx....

Bluetooth Version: V5.0 Speaker: 10mm/6u Standby Time: 300 Hours  Voltage: 3.7V Frequency: 2.402-2.480GHZ  Wattage: 0.12W Charging: Micro USB Material: ABS Dimension: 44 cm (L)