Langstom High Quality Wireless Headphone Sport Waterproof Bluetooth Stereo Earphone with Mic
Specification of L17 Model:

• Speaker Size: Φ13mm
• Materials: Speaker with copper ring
• Impedance:32Ω
• IC: BK3266 (Bluetooth)
• Support Profiles: HFP / HSP / A2DP / AVRCP
• Bluetooth Version: Bluetooth V5.0 + EDR
• Frequency: 2.4G
• Working Distance: 10M
• Bluetooth Antenna: PCB antenna
• Channel: Stereo rated
• Cable Length: 64±1cm
• Power: 15mW
• Frequency Range: 20-20KHZ
• Sensitivity: ≥-98dBm
• Battery Type / Capacity: Lithium
• Battery: 40mAH x 2(501014)
• Battery Life: Charge and release > 300 times
• Play Time: About 6hours(80%volume)
• Charging Voltage: 5V
• Charging Time: 2hours
• Product Weight: 15g