ROCKBROS Electronic Bluetooth Glasses Bicycle Motorcycle Car Outdoor Running TAC Bottles & Holder make calls and charge your

make calls and charge your phone while riding

Large capacity: 20L / 40L

De-watering

5*18*8 cm Material: Lycra

The pump is made of high-quality aluminum alloy and is durable and rust-resistant

ROCKBROS Electronic Bluetooth Glasses Bicycle Motorcycle Car Outdoor Running TAC Bottles & Holder make calls and charge yourProduct information Brand: ROCKBROS Material: TR frame + TAC polarized lenses Bluetooth version: Bluetooth V5. 2 Bluetooth protocol: A2DP AVRCP HFP HSP SPP GATT HOGP PBAP Audio decoding: SBC AAC Bluetooth distance: <10m Battery capacity: 120mAh Music duration: approx. 6H (100% volume) Standby time: approx. 60H Conversation duration: Approx. 5H (100% volume) Charging time: Approx. 2H Charging input: DC5V Function: Bluetooth audio voice call sun