1、Bone conduction speaker, a DIY sound experience, place it on different surfaces such as plastics storage box, , wooden desk can provide you various sound effects. 2、Features advanced BT 5.0 chip supporting BT connection and TWS-enabled. 3、Quality sound effect, up to 115db powerful sound volume, full bass and loud treble. 4、Built-in 400mAh lithium battery, 240hours batterys standby time. 5、Mini and compact size, convenient to carry and perfect decoration. 6、Used as FM radio allows you to listen to music, have phone conversations or conference calls, and even enjoy an fine sound experience of your playing games, videos or movies. Features: Bone conduction speaker, a DIY sound experience, place it on different surfaces such as plastics storage box, , wooden desk can provide you various sound effects. Features advanced BT 5.0 chip supporting BT connection and TWS-enabled. Quality sound effect, up to 115db powerful sound volume, full bass and loud treble. Built-in 400mAh lithium battery, 240hours batterys standby time. Mini and compact size, convenient to carry and perfect decoration. Used as FM radio allows you to listen to music, have phone conversations or conference calls, and even enjoy an fine sound experience of your playing games, videos or movies. Specifications: Material: ABS Color: black, white (optional) BT version: BT5.0 Audio format: MP3, AC3, AAC, WAV... Output power: 3W Frequency response: 20-20kHz SNR: ≥70dB Power-supply: 400mAh lithium batterys, Type-c charged DC5V/0.4A Package size: 200*200*30mm/7.87*7.87*1.18in Package weight: 300g/10.59oz Packing List: 1*BT speaker 1*Lanyard 3*Suction cup 3*Stickers 1*Type-c charged cable 1*Soundboard 1*BT speaker 1*Lanyard 3*Suction cup 3*Stickers 1*Type-c charged cable 1*Soundboard