JR-D6 Wireless Sport Neckband Earphones-Black

Bluetooth chip: Jerry Bluetooth version: V5.0 Bluetooth audio decoding: SBC Bluetooth protocol: HSP/HFP/A2DP/AVRCP Frequency range: 20HZ~10KHZ Horn size: φ 14.2mm Sensitivity: 120±3dB Battery capacity: 105 mAh Music time: about 12H (60% volume) Talk time: about 10H (60% volume) Standby time: about 48H (connection state) Charging time: about 2H Charging input: DC 5V/150mA Charging mode: Micro interface Material: ABS+ silica gel