• The L13 Bluetooth-compatible headset performs multi-point calculation and arrangement for the position of the small ear canal, so that the shape of the headset fits the small ear canal just right
• Only 4g per earphone, the side in-ear type refuses the pain, more mini and comfortable
• Rare large moving coil PU titanium-plated composite diaphragm speaker, creating a broad and shocking sound field
• The high frequency is bright and transparent, the mid frequency is rich in details, and the low frequency dives deeper, providing high-quality sound quality

Specification: 

• Bluetooth-compatible protocol: HDP/HSP/A2DP/AVRCP
• Bluetooth-compatible version: 5.0
• Charging box input: 5V
• Impedance: 16Ω
• Frequency range: 2.402G-2.483GHZ
• Charging time: about 1 hour
• Working time: about 5-17 hours
• Earphone battery capacity: 40mAh
• Charging case battery capacity: 300mAh
• Battery type: polymer battery
• Speaker diameter: 10mm
• Transmission range: 10-15m